18718290

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{7703}}^1$

素因数の和:7725

約数の個数: 48

約数和(自身を含む): 50476608

約数和(自身を除く): 31758318

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 7703, 15406, 23109, 38515, 46218, 69327, 77030, 115545, 138654, 207981, 231090, 346635, 415962, 623943, 693270, 1039905, 1247886, 1871829, 2079810, 3119715, 3743658, 6239430, 9359145, 18718290]

約数ペア:

[(1, 18718290), (2, 9359145), (3, 6239430), (5, 3743658), (6, 3119715), (9, 2079810), (10, 1871829), (15, 1247886), (18, 1039905), (27, 693270), (30, 623943), (45, 415962), (54, 346635), (81, 231090), (90, 207981), (135, 138654), (162, 115545), (243, 77030), (270, 69327), (405, 46218), (486, 38515), (810, 23109), (1215, 15406), (2430, 7703)]