19679792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3607}}^1$

素因数の和:3657

約数の個数: 40

約数和(自身を含む): 42949632

約数和(自身を除く): 23269840

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3607, 5456, 7214, 14428, 28856, 39677, 57712, 79354, 111817, 158708, 223634, 317416, 447268, 634832, 894536, 1229987, 1789072, 2459974, 4919948, 9839896, 19679792]

約数ペア:

[(1, 19679792), (2, 9839896), (4, 4919948), (8, 2459974), (11, 1789072), (16, 1229987), (22, 894536), (31, 634832), (44, 447268), (62, 317416), (88, 223634), (124, 158708), (176, 111817), (248, 79354), (341, 57712), (496, 39677), (682, 28856), (1364, 14428), (2728, 7214), (3607, 5456)]