19646250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 120

約数和(自身を含む): 54882432

約数和(自身を除く): 35236182

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 125, 130, 150, 155, 169, 186, 195, 250, 310, 325, 338, 375, 390, 403, 465, 507, 625, 650, 750, 775, 806, 845, 930, 975, 1014, 1209, 1250, 1550, 1625, 1690, 1875, 1950, 2015, 2325, 2418, 2535, 3250, 3750, 3875, 4030, 4225, 4650, 4875, 5070, 5239, 6045, 7750, 8125, 8450, 9750, 10075, 10478, 11625, 12090, 12675, 15717, 16250, 19375, 20150, 21125, 23250, 24375, 25350, 26195, 30225, 31434, 38750, 42250, 48750, 50375, 52390, 58125, 60450, 63375, 78585, 100750, 105625, 116250, 126750, 130975, 151125, 157170, 211250, 251875, 261950, 302250, 316875, 392925, 503750, 633750, 654875, 755625, 785850, 1309750, 1511250, 1964625, 3274375, 3929250, 6548750, 9823125, 19646250]

約数ペア:

[(1, 19646250), (2, 9823125), (3, 6548750), (5, 3929250), (6, 3274375), (10, 1964625), (13, 1511250), (15, 1309750), (25, 785850), (26, 755625), (30, 654875), (31, 633750), (39, 503750), (50, 392925), (62, 316875), (65, 302250), (75, 261950), (78, 251875), (93, 211250), (125, 157170), (130, 151125), (150, 130975), (155, 126750), (169, 116250), (186, 105625), (195, 100750), (250, 78585), (310, 63375), (325, 60450), (338, 58125), (375, 52390), (390, 50375), (403, 48750), (465, 42250), (507, 38750), (625, 31434), (650, 30225), (750, 26195), (775, 25350), (806, 24375), (845, 23250), (930, 21125), (975, 20150), (1014, 19375), (1209, 16250), (1250, 15717), (1550, 12675), (1625, 12090), (1690, 11625), (1875, 10478), (1950, 10075), (2015, 9750), (2325, 8450), (2418, 8125), (2535, 7750), (3250, 6045), (3750, 5239), (3875, 5070), (4030, 4875), (4225, 4650)]