19512240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:435

約数の個数: 160

約数和(自身を含む): 69638400

約数和(自身を除く): 50126160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 380, 389, 418, 440, 456, 528, 570, 627, 660, 760, 778, 836, 880, 912, 1045, 1140, 1167, 1254, 1320, 1520, 1556, 1672, 1945, 2090, 2280, 2334, 2508, 2640, 3112, 3135, 3344, 3890, 4180, 4279, 4560, 4668, 5016, 5835, 6224, 6270, 7391, 7780, 8360, 8558, 9336, 10032, 11670, 12540, 12837, 14782, 15560, 16720, 17116, 18672, 21395, 22173, 23340, 25080, 25674, 29564, 31120, 34232, 36955, 42790, 44346, 46680, 50160, 51348, 59128, 64185, 68464, 73910, 81301, 85580, 88692, 93360, 102696, 110865, 118256, 128370, 147820, 162602, 171160, 177384, 205392, 221730, 243903, 256740, 295640, 325204, 342320, 354768, 406505, 443460, 487806, 513480, 591280, 650408, 813010, 886920, 975612, 1026960, 1219515, 1300816, 1626020, 1773840, 1951224, 2439030, 3252040, 3902448, 4878060, 6504080, 9756120, 19512240]

約数ペア:

[(1, 19512240), (2, 9756120), (3, 6504080), (4, 4878060), (5, 3902448), (6, 3252040), (8, 2439030), (10, 1951224), (11, 1773840), (12, 1626020), (15, 1300816), (16, 1219515), (19, 1026960), (20, 975612), (22, 886920), (24, 813010), (30, 650408), (33, 591280), (38, 513480), (40, 487806), (44, 443460), (48, 406505), (55, 354768), (57, 342320), (60, 325204), (66, 295640), (76, 256740), (80, 243903), (88, 221730), (95, 205392), (110, 177384), (114, 171160), (120, 162602), (132, 147820), (152, 128370), (165, 118256), (176, 110865), (190, 102696), (209, 93360), (220, 88692), (228, 85580), (240, 81301), (264, 73910), (285, 68464), (304, 64185), (330, 59128), (380, 51348), (389, 50160), (418, 46680), (440, 44346), (456, 42790), (528, 36955), (570, 34232), (627, 31120), (660, 29564), (760, 25674), (778, 25080), (836, 23340), (880, 22173), (912, 21395), (1045, 18672), (1140, 17116), (1167, 16720), (1254, 15560), (1320, 14782), (1520, 12837), (1556, 12540), (1672, 11670), (1945, 10032), (2090, 9336), (2280, 8558), (2334, 8360), (2508, 7780), (2640, 7391), (3112, 6270), (3135, 6224), (3344, 5835), (3890, 5016), (4180, 4668), (4279, 4560)]