18770700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4813}}^1$

素因数の和:4843

約数の個数: 72

約数和(自身を含む): 58499728

約数和(自身を除く): 39729028

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, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4813, 9626, 14439, 19252, 24065, 28878, 48130, 57756, 62569, 72195, 96260, 120325, 125138, 144390, 187707, 240650, 250276, 288780, 312845, 360975, 375414, 481300, 625690, 721950, 750828, 938535, 1251380, 1443900, 1564225, 1877070, 3128450, 3754140, 4692675, 6256900, 9385350, 18770700]

約数ペア:

[(1, 18770700), (2, 9385350), (3, 6256900), (4, 4692675), (5, 3754140), (6, 3128450), (10, 1877070), (12, 1564225), (13, 1443900), (15, 1251380), (20, 938535), (25, 750828), (26, 721950), (30, 625690), (39, 481300), (50, 375414), (52, 360975), (60, 312845), (65, 288780), (75, 250276), (78, 240650), (100, 187707), (130, 144390), (150, 125138), (156, 120325), (195, 96260), (260, 72195), (300, 62569), (325, 57756), (390, 48130), (650, 28878), (780, 24065), (975, 19252), (1300, 14439), (1950, 9626), (3900, 4813)]