18496725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 33581184

約数和(自身を除く): 15084459

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 183, 195, 305, 311, 325, 793, 915, 933, 975, 1525, 1555, 2379, 3965, 4043, 4575, 4665, 7775, 11895, 12129, 18971, 19825, 20215, 23325, 56913, 59475, 60645, 94855, 101075, 246623, 284565, 303225, 474275, 739869, 1233115, 1422825, 3699345, 6165575, 18496725]

約数ペア:

[(1, 18496725), (3, 6165575), (5, 3699345), (13, 1422825), (15, 1233115), (25, 739869), (39, 474275), (61, 303225), (65, 284565), (75, 246623), (183, 101075), (195, 94855), (305, 60645), (311, 59475), (325, 56913), (793, 23325), (915, 20215), (933, 19825), (975, 18971), (1525, 12129), (1555, 11895), (2379, 7775), (3965, 4665), (4043, 4575)]