18693789260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{450019}}^1$

素因数の和:450126

約数の個数: 48

約数和(自身を含む): 41128227840

約数和(自身を除く): 22434438580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 2077, 4154, 8308, 10385, 20770, 41540, 450019, 900038, 1800076, 2250095, 4500190, 9000380, 13950589, 27901178, 30151273, 55802356, 60302546, 69752945, 120605092, 139505890, 150756365, 279011780, 301512730, 603025460, 934689463, 1869378926, 3738757852, 4673447315, 9346894630, 18693789260]

約数ペア:

[(1, 18693789260), (2, 9346894630), (4, 4673447315), (5, 3738757852), (10, 1869378926), (20, 934689463), (31, 603025460), (62, 301512730), (67, 279011780), (124, 150756365), (134, 139505890), (155, 120605092), (268, 69752945), (310, 60302546), (335, 55802356), (620, 30151273), (670, 27901178), (1340, 13950589), (2077, 9000380), (4154, 4500190), (8308, 2250095), (10385, 1800076), (20770, 900038), (41540, 450019)]