17986045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 28191744

約数和(自身を除く): 10205699

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 137, 155, 217, 341, 385, 605, 685, 847, 959, 1085, 1507, 1705, 2387, 3751, 4235, 4247, 4795, 7535, 10549, 11935, 16577, 18755, 21235, 26257, 29729, 46717, 52745, 82885, 116039, 131285, 148645, 233585, 327019, 513887, 580195, 1635095, 2569435, 3597209, 17986045]

約数ペア:

[(1, 17986045), (5, 3597209), (7, 2569435), (11, 1635095), (31, 580195), (35, 513887), (55, 327019), (77, 233585), (121, 148645), (137, 131285), (155, 116039), (217, 82885), (341, 52745), (385, 46717), (605, 29729), (685, 26257), (847, 21235), (959, 18755), (1085, 16577), (1507, 11935), (1705, 10549), (2387, 7535), (3751, 4795), (4235, 4247)]