18865600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:942

約数の個数: 84

約数和(自身を含む): 50047144

約数和(自身を除く): 31181544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 907, 1040, 1300, 1600, 1814, 2080, 2600, 3628, 4160, 4535, 5200, 7256, 9070, 10400, 11791, 14512, 18140, 20800, 22675, 23582, 29024, 36280, 45350, 47164, 58048, 58955, 72560, 90700, 94328, 117910, 145120, 181400, 188656, 235820, 290240, 294775, 362800, 377312, 471640, 589550, 725600, 754624, 943280, 1179100, 1451200, 1886560, 2358200, 3773120, 4716400, 9432800, 18865600]

約数ペア:

[(1, 18865600), (2, 9432800), (4, 4716400), (5, 3773120), (8, 2358200), (10, 1886560), (13, 1451200), (16, 1179100), (20, 943280), (25, 754624), (26, 725600), (32, 589550), (40, 471640), (50, 377312), (52, 362800), (64, 294775), (65, 290240), (80, 235820), (100, 188656), (104, 181400), (130, 145120), (160, 117910), (200, 94328), (208, 90700), (260, 72560), (320, 58955), (325, 58048), (400, 47164), (416, 45350), (520, 36280), (650, 29024), (800, 23582), (832, 22675), (907, 20800), (1040, 18140), (1300, 14512), (1600, 11791), (1814, 10400), (2080, 9070), (2600, 7256), (3628, 5200), (4160, 4535)]