18610473

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 30191616

約数和(自身を除く): 11581143

約数列:

[1, 3, 7, 21, 23, 53, 69, 159, 161, 371, 483, 727, 1113, 1219, 2181, 3657, 5089, 8533, 15267, 16721, 25599, 38531, 50163, 115593, 117047, 269717, 351141, 809151, 886213, 2658639, 6203491, 18610473]

約数ペア:

[(1, 18610473), (3, 6203491), (7, 2658639), (21, 886213), (23, 809151), (53, 351141), (69, 269717), (159, 117047), (161, 115593), (371, 50163), (483, 38531), (727, 25599), (1113, 16721), (1219, 15267), (2181, 8533), (3657, 5089)]