19005461721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{15269}}^1$

素因数の和:15574

約数の個数: 48

約数和(自身を含む): 30014712000

約数和(自身を除く): 11009250279

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 251, 261, 551, 753, 1653, 2259, 4769, 4959, 7279, 14307, 15269, 21837, 42921, 45807, 65511, 137421, 138301, 290111, 414903, 442801, 870333, 1244709, 1328403, 2610999, 3832519, 3985209, 8413219, 11497557, 25239657, 34492671, 72817861, 75718971, 111143051, 218453583, 333429153, 655360749, 1000287459, 2111717969, 6335153907, 19005461721]

約数ペア:

[(1, 19005461721), (3, 6335153907), (9, 2111717969), (19, 1000287459), (29, 655360749), (57, 333429153), (87, 218453583), (171, 111143051), (251, 75718971), (261, 72817861), (551, 34492671), (753, 25239657), (1653, 11497557), (2259, 8413219), (4769, 3985209), (4959, 3832519), (7279, 2610999), (14307, 1328403), (15269, 1244709), (21837, 870333), (42921, 442801), (45807, 414903), (65511, 290111), (137421, 138301)]