2019412720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{102197}}^1$

素因数の和:102242

約数の個数: 80

約数和(自身を含む): 5322471840

約数和(自身を除く): 3303059120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 102197, 204394, 408788, 510985, 817576, 1021970, 1328561, 1635152, 1941743, 2043940, 2657122, 3883486, 4087880, 5314244, 6642805, 7766972, 8175760, 9708715, 10628488, 13285610, 15533944, 19417430, 21256976, 25242659, 26571220, 31067888, 38834860, 50485318, 53142440, 77669720, 100970636, 106284880, 126213295, 155339440, 201941272, 252426590, 403882544, 504853180, 1009706360, 2019412720]

約数ペア:

[(1, 2019412720), (2, 1009706360), (4, 504853180), (5, 403882544), (8, 252426590), (10, 201941272), (13, 155339440), (16, 126213295), (19, 106284880), (20, 100970636), (26, 77669720), (38, 53142440), (40, 50485318), (52, 38834860), (65, 31067888), (76, 26571220), (80, 25242659), (95, 21256976), (104, 19417430), (130, 15533944), (152, 13285610), (190, 10628488), (208, 9708715), (247, 8175760), (260, 7766972), (304, 6642805), (380, 5314244), (494, 4087880), (520, 3883486), (760, 2657122), (988, 2043940), (1040, 1941743), (1235, 1635152), (1520, 1328561), (1976, 1021970), (2470, 817576), (3952, 510985), (4940, 408788), (9880, 204394), (19760, 102197)]