18965040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4159}}^1$

素因数の和:4194

約数の個数: 80

約数和(自身を含む): 61900800

約数和(自身を除く): 42935760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4159, 4560, 8318, 12477, 16636, 20795, 24954, 33272, 41590, 49908, 62385, 66544, 79021, 83180, 99816, 124770, 158042, 166360, 199632, 237063, 249540, 316084, 332720, 395105, 474126, 499080, 632168, 790210, 948252, 998160, 1185315, 1264336, 1580420, 1896504, 2370630, 3160840, 3793008, 4741260, 6321680, 9482520, 18965040]

約数ペア:

[(1, 18965040), (2, 9482520), (3, 6321680), (4, 4741260), (5, 3793008), (6, 3160840), (8, 2370630), (10, 1896504), (12, 1580420), (15, 1264336), (16, 1185315), (19, 998160), (20, 948252), (24, 790210), (30, 632168), (38, 499080), (40, 474126), (48, 395105), (57, 332720), (60, 316084), (76, 249540), (80, 237063), (95, 199632), (114, 166360), (120, 158042), (152, 124770), (190, 99816), (228, 83180), (240, 79021), (285, 66544), (304, 62385), (380, 49908), (456, 41590), (570, 33272), (760, 24954), (912, 20795), (1140, 16636), (1520, 12477), (2280, 8318), (4159, 4560)]