18732064

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 40822488

約数和(自身を除く): 22090424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1217, 1924, 2434, 3848, 4868, 7696, 9736, 15392, 15821, 19472, 31642, 38944, 45029, 63284, 90058, 126568, 180116, 253136, 360232, 506272, 585377, 720464, 1170754, 1440928, 2341508, 4683016, 9366032, 18732064]

約数ペア:

[(1, 18732064), (2, 9366032), (4, 4683016), (8, 2341508), (13, 1440928), (16, 1170754), (26, 720464), (32, 585377), (37, 506272), (52, 360232), (74, 253136), (104, 180116), (148, 126568), (208, 90058), (296, 63284), (416, 45029), (481, 38944), (592, 31642), (962, 19472), (1184, 15821), (1217, 15392), (1924, 9736), (2434, 7696), (3848, 4868)]