18720972

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{5843}}^1$

素因数の和:5942

約数の個数: 36

約数和(自身を含む): 47862360

約数和(自身を除く): 29141388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 5843, 11686, 17529, 23372, 35058, 52587, 70116, 105174, 210348, 520027, 1040054, 1560081, 2080108, 3120162, 4680243, 6240324, 9360486, 18720972]

約数ペア:

[(1, 18720972), (2, 9360486), (3, 6240324), (4, 4680243), (6, 3120162), (9, 2080108), (12, 1560081), (18, 1040054), (36, 520027), (89, 210348), (178, 105174), (267, 70116), (356, 52587), (534, 35058), (801, 23372), (1068, 17529), (1602, 11686), (3204, 5843)]