19687800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 70531200

約数和(自身を除く): 50843400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 25, 30, 33, 38, 40, 44, 50, 55, 57, 60, 66, 75, 76, 88, 95, 100, 110, 114, 120, 132, 150, 152, 157, 165, 190, 200, 209, 220, 228, 264, 275, 285, 300, 314, 330, 380, 418, 440, 456, 471, 475, 550, 570, 600, 627, 628, 660, 760, 785, 825, 836, 942, 950, 1045, 1100, 1140, 1254, 1256, 1320, 1425, 1570, 1650, 1672, 1727, 1884, 1900, 2090, 2200, 2280, 2355, 2508, 2850, 2983, 3135, 3140, 3300, 3454, 3768, 3800, 3925, 4180, 4710, 5016, 5181, 5225, 5700, 5966, 6270, 6280, 6600, 6908, 7850, 8360, 8635, 8949, 9420, 10362, 10450, 11400, 11775, 11932, 12540, 13816, 14915, 15675, 15700, 17270, 17898, 18840, 20724, 20900, 23550, 23864, 25080, 25905, 29830, 31350, 31400, 32813, 34540, 35796, 41448, 41800, 43175, 44745, 47100, 51810, 59660, 62700, 65626, 69080, 71592, 74575, 86350, 89490, 94200, 98439, 103620, 119320, 125400, 129525, 131252, 149150, 164065, 172700, 178980, 196878, 207240, 223725, 259050, 262504, 298300, 328130, 345400, 357960, 393756, 447450, 492195, 518100, 596600, 656260, 787512, 820325, 894900, 984390, 1036200, 1312520, 1640650, 1789800, 1968780, 2460975, 3281300, 3937560, 4921950, 6562600, 9843900, 19687800]

約数ペア:

[(1, 19687800), (2, 9843900), (3, 6562600), (4, 4921950), (5, 3937560), (6, 3281300), (8, 2460975), (10, 1968780), (11, 1789800), (12, 1640650), (15, 1312520), (19, 1036200), (20, 984390), (22, 894900), (24, 820325), (25, 787512), (30, 656260), (33, 596600), (38, 518100), (40, 492195), (44, 447450), (50, 393756), (55, 357960), (57, 345400), (60, 328130), (66, 298300), (75, 262504), (76, 259050), (88, 223725), (95, 207240), (100, 196878), (110, 178980), (114, 172700), (120, 164065), (132, 149150), (150, 131252), (152, 129525), (157, 125400), (165, 119320), (190, 103620), (200, 98439), (209, 94200), (220, 89490), (228, 86350), (264, 74575), (275, 71592), (285, 69080), (300, 65626), (314, 62700), (330, 59660), (380, 51810), (418, 47100), (440, 44745), (456, 43175), (471, 41800), (475, 41448), (550, 35796), (570, 34540), (600, 32813), (627, 31400), (628, 31350), (660, 29830), (760, 25905), (785, 25080), (825, 23864), (836, 23550), (942, 20900), (950, 20724), (1045, 18840), (1100, 17898), (1140, 17270), (1254, 15700), (1256, 15675), (1320, 14915), (1425, 13816), (1570, 12540), (1650, 11932), (1672, 11775), (1727, 11400), (1884, 10450), (1900, 10362), (2090, 9420), (2200, 8949), (2280, 8635), (2355, 8360), (2508, 7850), (2850, 6908), (2983, 6600), (3135, 6280), (3140, 6270), (3300, 5966), (3454, 5700), (3768, 5225), (3800, 5181), (3925, 5016), (4180, 4710)]