18319132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 38991456

約数和(自身を除く): 20672324

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 53, 68, 92, 106, 212, 221, 289, 299, 391, 442, 578, 598, 689, 782, 884, 901, 1156, 1196, 1219, 1378, 1564, 1802, 2438, 2756, 3604, 3757, 4876, 5083, 6647, 7514, 10166, 11713, 13294, 15028, 15317, 15847, 20332, 20723, 23426, 26588, 30634, 31694, 41446, 46852, 61268, 63388, 82892, 86411, 172822, 199121, 269399, 345644, 352291, 398242, 538798, 704582, 796484, 1077596, 1409164, 4579783, 9159566, 18319132]

約数ペア:

[(1, 18319132), (2, 9159566), (4, 4579783), (13, 1409164), (17, 1077596), (23, 796484), (26, 704582), (34, 538798), (46, 398242), (52, 352291), (53, 345644), (68, 269399), (92, 199121), (106, 172822), (212, 86411), (221, 82892), (289, 63388), (299, 61268), (391, 46852), (442, 41446), (578, 31694), (598, 30634), (689, 26588), (782, 23426), (884, 20723), (901, 20332), (1156, 15847), (1196, 15317), (1219, 15028), (1378, 13294), (1564, 11713), (1802, 10166), (2438, 7514), (2756, 6647), (3604, 5083), (3757, 4876)]