19837530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1211

約数の個数: 48

約数和(自身を含む): 51858144

約数和(自身を除く): 32020614

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 227, 454, 681, 971, 1135, 1362, 1942, 2043, 2270, 2913, 3405, 4086, 4855, 5826, 6810, 8739, 9710, 10215, 14565, 17478, 20430, 29130, 43695, 87390, 220417, 440834, 661251, 1102085, 1322502, 1983753, 2204170, 3306255, 3967506, 6612510, 9918765, 19837530]

約数ペア:

[(1, 19837530), (2, 9918765), (3, 6612510), (5, 3967506), (6, 3306255), (9, 2204170), (10, 1983753), (15, 1322502), (18, 1102085), (30, 661251), (45, 440834), (90, 220417), (227, 87390), (454, 43695), (681, 29130), (971, 20430), (1135, 17478), (1362, 14565), (1942, 10215), (2043, 9710), (2270, 8739), (2913, 6810), (3405, 5826), (4086, 4855)]