18789534

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 42491904

約数和(自身を除く): 23702370

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 151, 186, 223, 279, 302, 446, 453, 558, 669, 906, 1338, 1359, 2007, 2718, 4014, 4681, 6913, 9362, 13826, 14043, 20739, 28086, 33673, 41478, 42129, 62217, 67346, 84258, 101019, 124434, 202038, 303057, 606114, 1043863, 2087726, 3131589, 6263178, 9394767, 18789534]

約数ペア:

[(1, 18789534), (2, 9394767), (3, 6263178), (6, 3131589), (9, 2087726), (18, 1043863), (31, 606114), (62, 303057), (93, 202038), (151, 124434), (186, 101019), (223, 84258), (279, 67346), (302, 62217), (446, 42129), (453, 41478), (558, 33673), (669, 28086), (906, 20739), (1338, 14043), (1359, 13826), (2007, 9362), (2718, 6913), (4014, 4681)]