19875060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1013}}^1$

素因数の和:1137

約数の個数: 72

約数和(自身を含む): 60900840

約数和(自身を除く): 41025780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1013, 1090, 1308, 1635, 1962, 2026, 2180, 3039, 3270, 3924, 4052, 4905, 5065, 6078, 6540, 9117, 9810, 10130, 12156, 15195, 18234, 19620, 20260, 30390, 36468, 45585, 60780, 91170, 110417, 182340, 220834, 331251, 441668, 552085, 662502, 993753, 1104170, 1325004, 1656255, 1987506, 2208340, 3312510, 3975012, 4968765, 6625020, 9937530, 19875060]

約数ペア:

[(1, 19875060), (2, 9937530), (3, 6625020), (4, 4968765), (5, 3975012), (6, 3312510), (9, 2208340), (10, 1987506), (12, 1656255), (15, 1325004), (18, 1104170), (20, 993753), (30, 662502), (36, 552085), (45, 441668), (60, 331251), (90, 220834), (109, 182340), (180, 110417), (218, 91170), (327, 60780), (436, 45585), (545, 36468), (654, 30390), (981, 20260), (1013, 19620), (1090, 18234), (1308, 15195), (1635, 12156), (1962, 10130), (2026, 9810), (2180, 9117), (3039, 6540), (3270, 6078), (3924, 5065), (4052, 4905)]