19205460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4639}}^1$

素因数の和:4677

約数の個数: 72

約数和(自身を含む): 60802560

約数和(自身を除く): 41597100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4639, 9278, 13917, 18556, 23195, 27834, 41751, 46390, 55668, 69585, 83502, 92780, 106697, 139170, 167004, 208755, 213394, 278340, 320091, 417510, 426788, 533485, 640182, 835020, 960273, 1066970, 1280364, 1600455, 1920546, 2133940, 3200910, 3841092, 4801365, 6401820, 9602730, 19205460]

約数ペア:

[(1, 19205460), (2, 9602730), (3, 6401820), (4, 4801365), (5, 3841092), (6, 3200910), (9, 2133940), (10, 1920546), (12, 1600455), (15, 1280364), (18, 1066970), (20, 960273), (23, 835020), (30, 640182), (36, 533485), (45, 426788), (46, 417510), (60, 320091), (69, 278340), (90, 213394), (92, 208755), (115, 167004), (138, 139170), (180, 106697), (207, 92780), (230, 83502), (276, 69585), (345, 55668), (414, 46390), (460, 41751), (690, 27834), (828, 23195), (1035, 18556), (1380, 13917), (2070, 9278), (4140, 4639)]