19486518974

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{19603}}^1$

素因数の和:19821

約数の個数: 48

約数和(自身を含む): 33708450672

約数和(自身を除く): 14221931698

約数列:

[1, 2, 13, 17, 26, 34, 169, 173, 221, 338, 346, 442, 2249, 2873, 2941, 4498, 5746, 5882, 19603, 29237, 38233, 39206, 58474, 76466, 254839, 333251, 497029, 509678, 666502, 994058, 3312907, 3391319, 4332263, 6625814, 6782638, 8664526, 44087147, 56319419, 57652423, 88174294, 112638838, 115304846, 573132911, 749481499, 1146265822, 1498962998, 9743259487, 19486518974]

約数ペア:

[(1, 19486518974), (2, 9743259487), (13, 1498962998), (17, 1146265822), (26, 749481499), (34, 573132911), (169, 115304846), (173, 112638838), (221, 88174294), (338, 57652423), (346, 56319419), (442, 44087147), (2249, 8664526), (2873, 6782638), (2941, 6625814), (4498, 4332263), (5746, 3391319), (5882, 3312907), (19603, 994058), (29237, 666502), (38233, 509678), (39206, 497029), (58474, 333251), (76466, 254839)]