19005477140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{925291}}^1$

素因数の和:925392

約数の個数: 48

約数和(自身を含む): 43525735680

約数和(自身を除く): 24520258540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 925291, 1850582, 3701164, 4626455, 9252910, 12028783, 18505820, 24057566, 48115132, 60143915, 73097989, 120287830, 146195978, 240575660, 292391956, 365489945, 730979890, 950273857, 1461959780, 1900547714, 3801095428, 4751369285, 9502738570, 19005477140]

約数ペア:

[(1, 19005477140), (2, 9502738570), (4, 4751369285), (5, 3801095428), (10, 1900547714), (13, 1461959780), (20, 950273857), (26, 730979890), (52, 365489945), (65, 292391956), (79, 240575660), (130, 146195978), (158, 120287830), (260, 73097989), (316, 60143915), (395, 48115132), (790, 24057566), (1027, 18505820), (1580, 12028783), (2054, 9252910), (4108, 4626455), (5135, 3701164), (10270, 1850582), (20540, 925291)]