19640264577

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{797}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 28543808832

約数和(自身を除く): 8903544255

約数列:

[1, 3, 17, 43, 51, 129, 289, 661, 731, 797, 867, 1983, 2193, 2391, 11237, 12427, 13549, 28423, 33711, 34271, 37281, 40647, 85269, 102813, 191029, 230333, 483191, 526817, 573087, 582607, 690999, 1449573, 1580451, 1747821, 8214247, 8955889, 9904319, 22653131, 24642741, 26867667, 29712957, 67959393, 152250113, 385103227, 456750339, 1155309681, 6546754859, 19640264577]

約数ペア:

[(1, 19640264577), (3, 6546754859), (17, 1155309681), (43, 456750339), (51, 385103227), (129, 152250113), (289, 67959393), (661, 29712957), (731, 26867667), (797, 24642741), (867, 22653131), (1983, 9904319), (2193, 8955889), (2391, 8214247), (11237, 1747821), (12427, 1580451), (13549, 1449573), (28423, 690999), (33711, 582607), (34271, 573087), (37281, 526817), (40647, 483191), (85269, 230333), (102813, 191029)]