18749120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4507}}^1$

素因数の和:4537

約数の個数: 56

約数和(自身を含む): 48091344

約数和(自身を除く): 29342224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4507, 9014, 18028, 22535, 36056, 45070, 58591, 72112, 90140, 117182, 144224, 180280, 234364, 288448, 292955, 360560, 468728, 585910, 721120, 937456, 1171820, 1442240, 1874912, 2343640, 3749824, 4687280, 9374560, 18749120]

約数ペア:

[(1, 18749120), (2, 9374560), (4, 4687280), (5, 3749824), (8, 2343640), (10, 1874912), (13, 1442240), (16, 1171820), (20, 937456), (26, 721120), (32, 585910), (40, 468728), (52, 360560), (64, 292955), (65, 288448), (80, 234364), (104, 180280), (130, 144224), (160, 117182), (208, 90140), (260, 72112), (320, 58591), (416, 45070), (520, 36056), (832, 22535), (1040, 18028), (2080, 9014), (4160, 4507)]