18761710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 21051410

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 79, 85, 110, 127, 158, 170, 187, 254, 374, 395, 635, 790, 869, 935, 1270, 1343, 1397, 1738, 1870, 2159, 2686, 2794, 4318, 4345, 6715, 6985, 8690, 10033, 10795, 13430, 13970, 14773, 20066, 21590, 23749, 29546, 47498, 50165, 73865, 100330, 110363, 118745, 147730, 170561, 220726, 237490, 341122, 551815, 852805, 1103630, 1705610, 1876171, 3752342, 9380855, 18761710]

約数ペア:

[(1, 18761710), (2, 9380855), (5, 3752342), (10, 1876171), (11, 1705610), (17, 1103630), (22, 852805), (34, 551815), (55, 341122), (79, 237490), (85, 220726), (110, 170561), (127, 147730), (158, 118745), (170, 110363), (187, 100330), (254, 73865), (374, 50165), (395, 47498), (635, 29546), (790, 23749), (869, 21590), (935, 20066), (1270, 14773), (1343, 13970), (1397, 13430), (1738, 10795), (1870, 10033), (2159, 8690), (2686, 6985), (2794, 6715), (4318, 4345)]