17934940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 21804452

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 307, 460, 508, 614, 635, 1228, 1270, 1535, 2540, 2921, 3070, 5842, 6140, 7061, 11684, 14122, 14605, 28244, 29210, 35305, 38989, 58420, 70610, 77978, 141220, 155956, 194945, 389890, 779780, 896747, 1793494, 3586988, 4483735, 8967470, 17934940]

約数ペア:

[(1, 17934940), (2, 8967470), (4, 4483735), (5, 3586988), (10, 1793494), (20, 896747), (23, 779780), (46, 389890), (92, 194945), (115, 155956), (127, 141220), (230, 77978), (254, 70610), (307, 58420), (460, 38989), (508, 35305), (614, 29210), (635, 28244), (1228, 14605), (1270, 14122), (1535, 11684), (2540, 7061), (2921, 6140), (3070, 5842)]