18211950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{40471}}^1$

素因数の和:40489

約数の個数: 36

約数和(自身を含む): 48930648

約数和(自身を除く): 30718698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 40471, 80942, 121413, 202355, 242826, 364239, 404710, 607065, 728478, 1011775, 1214130, 1821195, 2023550, 3035325, 3642390, 6070650, 9105975, 18211950]

約数ペア:

[(1, 18211950), (2, 9105975), (3, 6070650), (5, 3642390), (6, 3035325), (9, 2023550), (10, 1821195), (15, 1214130), (18, 1011775), (25, 728478), (30, 607065), (45, 404710), (50, 364239), (75, 242826), (90, 202355), (150, 121413), (225, 80942), (450, 40471)]