18928920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{677}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 57114720

約数和(自身を除く): 38185800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 466, 677, 699, 932, 1165, 1354, 1398, 1864, 2031, 2330, 2708, 2796, 3385, 3495, 4062, 4660, 5416, 5592, 6770, 6990, 8124, 9320, 10155, 13540, 13980, 16248, 20310, 27080, 27960, 40620, 81240, 157741, 315482, 473223, 630964, 788705, 946446, 1261928, 1577410, 1892892, 2366115, 3154820, 3785784, 4732230, 6309640, 9464460, 18928920]

約数ペア:

[(1, 18928920), (2, 9464460), (3, 6309640), (4, 4732230), (5, 3785784), (6, 3154820), (8, 2366115), (10, 1892892), (12, 1577410), (15, 1261928), (20, 946446), (24, 788705), (30, 630964), (40, 473223), (60, 315482), (120, 157741), (233, 81240), (466, 40620), (677, 27960), (699, 27080), (932, 20310), (1165, 16248), (1354, 13980), (1398, 13540), (1864, 10155), (2031, 9320), (2330, 8124), (2708, 6990), (2796, 6770), (3385, 5592), (3495, 5416), (4062, 4660)]