18037578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 41997312

約数和(自身を除く): 23959734

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 61, 78, 102, 122, 183, 221, 223, 366, 442, 446, 663, 669, 793, 1037, 1326, 1338, 1586, 2074, 2379, 2899, 3111, 3791, 4758, 5798, 6222, 7582, 8697, 11373, 13481, 13603, 17394, 22746, 26962, 27206, 40443, 40809, 49283, 80886, 81618, 98566, 147849, 176839, 231251, 295698, 353678, 462502, 530517, 693753, 1061034, 1387506, 3006263, 6012526, 9018789, 18037578]

約数ペア:

[(1, 18037578), (2, 9018789), (3, 6012526), (6, 3006263), (13, 1387506), (17, 1061034), (26, 693753), (34, 530517), (39, 462502), (51, 353678), (61, 295698), (78, 231251), (102, 176839), (122, 147849), (183, 98566), (221, 81618), (223, 80886), (366, 49283), (442, 40809), (446, 40443), (663, 27206), (669, 26962), (793, 22746), (1037, 17394), (1326, 13603), (1338, 13481), (1586, 11373), (2074, 8697), (2379, 7582), (2899, 6222), (3111, 5798), (3791, 4758)]