19265860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 42638400

約数和(自身を除く): 23372540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 563, 580, 590, 1126, 1180, 1711, 2252, 2815, 3422, 5630, 6844, 8555, 11260, 16327, 17110, 32654, 33217, 34220, 65308, 66434, 81635, 132868, 163270, 166085, 326540, 332170, 664340, 963293, 1926586, 3853172, 4816465, 9632930, 19265860]

約数ペア:

[(1, 19265860), (2, 9632930), (4, 4816465), (5, 3853172), (10, 1926586), (20, 963293), (29, 664340), (58, 332170), (59, 326540), (116, 166085), (118, 163270), (145, 132868), (236, 81635), (290, 66434), (295, 65308), (563, 34220), (580, 33217), (590, 32654), (1126, 17110), (1180, 16327), (1711, 11260), (2252, 8555), (2815, 6844), (3422, 5630)]