18115240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3167}}^1$

素因数の和:3202

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 29784920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3167, 5720, 6334, 12668, 15835, 25336, 31670, 34837, 41171, 63340, 69674, 82342, 126680, 139348, 164684, 174185, 205855, 278696, 329368, 348370, 411710, 452881, 696740, 823420, 905762, 1393480, 1646840, 1811524, 2264405, 3623048, 4528810, 9057620, 18115240]

約数ペア:

[(1, 18115240), (2, 9057620), (4, 4528810), (5, 3623048), (8, 2264405), (10, 1811524), (11, 1646840), (13, 1393480), (20, 905762), (22, 823420), (26, 696740), (40, 452881), (44, 411710), (52, 348370), (55, 329368), (65, 278696), (88, 205855), (104, 174185), (110, 164684), (130, 139348), (143, 126680), (220, 82342), (260, 69674), (286, 63340), (440, 41171), (520, 34837), (572, 31670), (715, 25336), (1144, 15835), (1430, 12668), (2860, 6334), (3167, 5720)]