18701014773

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 29314897920

約数和(自身を除く): 10613883147

約数列:

[1, 3, 7, 21, 83, 107, 197, 249, 321, 509, 581, 591, 749, 1379, 1527, 1743, 2247, 3563, 4137, 8881, 10689, 16351, 21079, 26643, 42247, 49053, 54463, 62167, 63237, 100273, 114457, 126741, 147553, 163389, 186501, 295729, 300819, 343371, 381241, 442659, 701911, 887187, 1143723, 1749557, 2105733, 4520429, 5248671, 8322659, 10729211, 12246899, 13561287, 24967977, 31643003, 32187633, 36740697, 58258613, 75104477, 94929009, 174775839, 225313431, 890524513, 2671573539, 6233671591, 18701014773]

約数ペア:

[(1, 18701014773), (3, 6233671591), (7, 2671573539), (21, 890524513), (83, 225313431), (107, 174775839), (197, 94929009), (249, 75104477), (321, 58258613), (509, 36740697), (581, 32187633), (591, 31643003), (749, 24967977), (1379, 13561287), (1527, 12246899), (1743, 10729211), (2247, 8322659), (3563, 5248671), (4137, 4520429), (8881, 2105733), (10689, 1749557), (16351, 1143723), (21079, 887187), (26643, 701911), (42247, 442659), (49053, 381241), (54463, 343371), (62167, 300819), (63237, 295729), (100273, 186501), (114457, 163389), (126741, 147553)]