18127473

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2887}}^1$

素因数の和:2933

約数の個数: 32

約数和(自身を含む): 31051776

約数和(自身を除く): 12924303

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 2887, 6279, 8661, 20209, 37531, 60627, 66401, 112593, 199203, 262717, 464807, 788151, 863213, 1394421, 2589639, 6042491, 18127473]

約数ペア:

[(1, 18127473), (3, 6042491), (7, 2589639), (13, 1394421), (21, 863213), (23, 788151), (39, 464807), (69, 262717), (91, 199203), (161, 112593), (273, 66401), (299, 60627), (483, 37531), (897, 20209), (2093, 8661), (2887, 6279)]