18872647110

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1625551}}^1$

素因数の和:1625610

約数の個数: 64

約数和(自身を含む): 51497487360

約数和(自身を除く): 32624840250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 645, 774, 1161, 1290, 1935, 2322, 3870, 5805, 11610, 1625551, 3251102, 4876653, 8127755, 9753306, 14629959, 16255510, 24383265, 29259918, 43889877, 48766530, 69898693, 73149795, 87779754, 139797386, 146299590, 209696079, 219449385, 349493465, 419392158, 438898770, 629088237, 698986930, 1048480395, 1258176474, 1887264711, 2096960790, 3145441185, 3774529422, 6290882370, 9436323555, 18872647110]

約数ペア:

[(1, 18872647110), (2, 9436323555), (3, 6290882370), (5, 3774529422), (6, 3145441185), (9, 2096960790), (10, 1887264711), (15, 1258176474), (18, 1048480395), (27, 698986930), (30, 629088237), (43, 438898770), (45, 419392158), (54, 349493465), (86, 219449385), (90, 209696079), (129, 146299590), (135, 139797386), (215, 87779754), (258, 73149795), (270, 69898693), (387, 48766530), (430, 43889877), (645, 29259918), (774, 24383265), (1161, 16255510), (1290, 14629959), (1935, 9753306), (2322, 8127755), (3870, 4876653), (5805, 3251102), (11610, 1625551)]