19916658

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{6959}}^1$

素因数の和:7023

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 25184142

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 6959, 13918, 20877, 41754, 62631, 125262, 187893, 368827, 375786, 737654, 1106481, 2212962, 3319443, 6638886, 9958329, 19916658]

約数ペア:

[(1, 19916658), (2, 9958329), (3, 6638886), (6, 3319443), (9, 2212962), (18, 1106481), (27, 737654), (53, 375786), (54, 368827), (106, 187893), (159, 125262), (318, 62631), (477, 41754), (954, 20877), (1431, 13918), (2862, 6959)]