18580263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 27760320

約数和(自身を除く): 9180057

約数列:

[1, 3, 13, 39, 53, 89, 101, 159, 267, 303, 689, 1157, 1313, 2067, 3471, 3939, 4717, 5353, 8989, 14151, 16059, 26967, 61321, 69589, 116857, 183963, 208767, 350571, 476417, 1429251, 6193421, 18580263]

約数ペア:

[(1, 18580263), (3, 6193421), (13, 1429251), (39, 476417), (53, 350571), (89, 208767), (101, 183963), (159, 116857), (267, 69589), (303, 61321), (689, 26967), (1157, 16059), (1313, 14151), (2067, 8989), (3471, 5353), (3939, 4717)]