18733380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 55085184

約数和(自身を除く): 36351804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 53, 60, 86, 106, 129, 137, 159, 172, 212, 215, 258, 265, 274, 318, 411, 430, 516, 530, 548, 636, 645, 685, 795, 822, 860, 1060, 1290, 1370, 1590, 1644, 2055, 2279, 2580, 2740, 3180, 4110, 4558, 5891, 6837, 7261, 8220, 9116, 11395, 11782, 13674, 14522, 17673, 21783, 22790, 23564, 27348, 29044, 29455, 34185, 35346, 36305, 43566, 45580, 58910, 68370, 70692, 72610, 87132, 88365, 108915, 117820, 136740, 145220, 176730, 217830, 312223, 353460, 435660, 624446, 936669, 1248892, 1561115, 1873338, 3122230, 3746676, 4683345, 6244460, 9366690, 18733380]

約数ペア:

[(1, 18733380), (2, 9366690), (3, 6244460), (4, 4683345), (5, 3746676), (6, 3122230), (10, 1873338), (12, 1561115), (15, 1248892), (20, 936669), (30, 624446), (43, 435660), (53, 353460), (60, 312223), (86, 217830), (106, 176730), (129, 145220), (137, 136740), (159, 117820), (172, 108915), (212, 88365), (215, 87132), (258, 72610), (265, 70692), (274, 68370), (318, 58910), (411, 45580), (430, 43566), (516, 36305), (530, 35346), (548, 34185), (636, 29455), (645, 29044), (685, 27348), (795, 23564), (822, 22790), (860, 21783), (1060, 17673), (1290, 14522), (1370, 13674), (1590, 11782), (1644, 11395), (2055, 9116), (2279, 8220), (2580, 7261), (2740, 6837), (3180, 5891), (4110, 4558)]