18804545526940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1\times {\mathrm{20626709}}^1$

素因数の和:20627374

約数の個数: 48

約数和(自身を含む): 40058720956800

約数和(自身を除く): 21254175429860

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 577, 790, 1154, 1580, 2308, 2885, 5770, 11540, 45583, 91166, 182332, 227915, 455830, 911660, 20626709, 41253418, 82506836, 103133545, 206267090, 412534180, 1629510011, 3259020022, 6518040044, 8147550055, 11901611093, 16295100110, 23803222186, 32590200220, 47606444372, 59508055465, 119016110930, 238032221860, 940227276347, 1880454552694, 3760909105388, 4701136381735, 9402272763470, 18804545526940]

約数ペア:

[(1, 18804545526940), (2, 9402272763470), (4, 4701136381735), (5, 3760909105388), (10, 1880454552694), (20, 940227276347), (79, 238032221860), (158, 119016110930), (316, 59508055465), (395, 47606444372), (577, 32590200220), (790, 23803222186), (1154, 16295100110), (1580, 11901611093), (2308, 8147550055), (2885, 6518040044), (5770, 3259020022), (11540, 1629510011), (45583, 412534180), (91166, 206267090), (182332, 103133545), (227915, 82506836), (455830, 41253418), (911660, 20626709)]