18853575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 34226976

約数和(自身を除く): 15373401

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 183, 195, 305, 317, 325, 793, 915, 951, 975, 1525, 1585, 2379, 3965, 4121, 4575, 4755, 7925, 11895, 12363, 19337, 19825, 20605, 23775, 58011, 59475, 61815, 96685, 103025, 251381, 290055, 309075, 483425, 754143, 1256905, 1450275, 3770715, 6284525, 18853575]

約数ペア:

[(1, 18853575), (3, 6284525), (5, 3770715), (13, 1450275), (15, 1256905), (25, 754143), (39, 483425), (61, 309075), (65, 290055), (75, 251381), (183, 103025), (195, 96685), (305, 61815), (317, 59475), (325, 58011), (793, 23775), (915, 20605), (951, 19825), (975, 19337), (1525, 12363), (1585, 11895), (2379, 7925), (3965, 4755), (4121, 4575)]