19883760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6373}}^1$

素因数の和:6402

約数の個数: 80

約数和(自身を含む): 66391584

約数和(自身を除く): 46507824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6373, 12746, 19119, 25492, 31865, 38238, 50984, 63730, 76476, 82849, 95595, 101968, 127460, 152952, 165698, 191190, 248547, 254920, 305904, 331396, 382380, 414245, 497094, 509840, 662792, 764760, 828490, 994188, 1242735, 1325584, 1529520, 1656980, 1988376, 2485470, 3313960, 3976752, 4970940, 6627920, 9941880, 19883760]

約数ペア:

[(1, 19883760), (2, 9941880), (3, 6627920), (4, 4970940), (5, 3976752), (6, 3313960), (8, 2485470), (10, 1988376), (12, 1656980), (13, 1529520), (15, 1325584), (16, 1242735), (20, 994188), (24, 828490), (26, 764760), (30, 662792), (39, 509840), (40, 497094), (48, 414245), (52, 382380), (60, 331396), (65, 305904), (78, 254920), (80, 248547), (104, 191190), (120, 165698), (130, 152952), (156, 127460), (195, 101968), (208, 95595), (240, 82849), (260, 76476), (312, 63730), (390, 50984), (520, 38238), (624, 31865), (780, 25492), (1040, 19119), (1560, 12746), (3120, 6373)]