18901935

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 35817600

約数和(自身を除く): 16915665

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 79, 117, 195, 237, 395, 409, 585, 711, 1027, 1185, 1227, 2045, 3081, 3555, 3681, 5135, 5317, 6135, 9243, 15405, 15951, 18405, 26585, 32311, 46215, 47853, 79755, 96933, 161555, 239265, 290799, 420043, 484665, 1260129, 1453995, 2100215, 3780387, 6300645, 18901935]

約数ペア:

[(1, 18901935), (3, 6300645), (5, 3780387), (9, 2100215), (13, 1453995), (15, 1260129), (39, 484665), (45, 420043), (65, 290799), (79, 239265), (117, 161555), (195, 96933), (237, 79755), (395, 47853), (409, 46215), (585, 32311), (711, 26585), (1027, 18405), (1185, 15951), (1227, 15405), (2045, 9243), (3081, 6135), (3555, 5317), (3681, 5135)]