19215300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{379}}^1$

素因数の和:422

約数の個数: 108

約数和(自身を含む): 60360720

約数和(自身を除く): 41145420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 169, 195, 260, 300, 325, 338, 379, 390, 507, 650, 676, 758, 780, 845, 975, 1014, 1137, 1300, 1516, 1690, 1895, 1950, 2028, 2274, 2535, 3380, 3790, 3900, 4225, 4548, 4927, 5070, 5685, 7580, 8450, 9475, 9854, 10140, 11370, 12675, 14781, 16900, 18950, 19708, 22740, 24635, 25350, 28425, 29562, 37900, 49270, 50700, 56850, 59124, 64051, 73905, 98540, 113700, 123175, 128102, 147810, 192153, 246350, 256204, 295620, 320255, 369525, 384306, 492700, 640510, 739050, 768612, 960765, 1281020, 1478100, 1601275, 1921530, 3202550, 3843060, 4803825, 6405100, 9607650, 19215300]

約数ペア:

[(1, 19215300), (2, 9607650), (3, 6405100), (4, 4803825), (5, 3843060), (6, 3202550), (10, 1921530), (12, 1601275), (13, 1478100), (15, 1281020), (20, 960765), (25, 768612), (26, 739050), (30, 640510), (39, 492700), (50, 384306), (52, 369525), (60, 320255), (65, 295620), (75, 256204), (78, 246350), (100, 192153), (130, 147810), (150, 128102), (156, 123175), (169, 113700), (195, 98540), (260, 73905), (300, 64051), (325, 59124), (338, 56850), (379, 50700), (390, 49270), (507, 37900), (650, 29562), (676, 28425), (758, 25350), (780, 24635), (845, 22740), (975, 19708), (1014, 18950), (1137, 16900), (1300, 14781), (1516, 12675), (1690, 11370), (1895, 10140), (1950, 9854), (2028, 9475), (2274, 8450), (2535, 7580), (3380, 5685), (3790, 5070), (3900, 4927), (4225, 4548)]