18933960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1901}}^1$

素因数の和:1998

約数の個数: 64

約数和(自身を含む): 57516480

約数和(自身を除く): 38582520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1901, 1992, 2490, 3320, 3802, 4980, 5703, 7604, 9505, 9960, 11406, 15208, 19010, 22812, 28515, 38020, 45624, 57030, 76040, 114060, 157783, 228120, 315566, 473349, 631132, 788915, 946698, 1262264, 1577830, 1893396, 2366745, 3155660, 3786792, 4733490, 6311320, 9466980, 18933960]

約数ペア:

[(1, 18933960), (2, 9466980), (3, 6311320), (4, 4733490), (5, 3786792), (6, 3155660), (8, 2366745), (10, 1893396), (12, 1577830), (15, 1262264), (20, 946698), (24, 788915), (30, 631132), (40, 473349), (60, 315566), (83, 228120), (120, 157783), (166, 114060), (249, 76040), (332, 57030), (415, 45624), (498, 38020), (664, 28515), (830, 22812), (996, 19010), (1245, 15208), (1660, 11406), (1901, 9960), (1992, 9505), (2490, 7604), (3320, 5703), (3802, 4980)]