18375435

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 34751808

約数和(自身を除く): 16376373

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 101, 117, 195, 303, 311, 505, 585, 909, 933, 1313, 1515, 1555, 2799, 3939, 4043, 4545, 4665, 6565, 11817, 12129, 13995, 19695, 20215, 31411, 36387, 59085, 60645, 94233, 157055, 181935, 282699, 408343, 471165, 1225029, 1413495, 2041715, 3675087, 6125145, 18375435]

約数ペア:

[(1, 18375435), (3, 6125145), (5, 3675087), (9, 2041715), (13, 1413495), (15, 1225029), (39, 471165), (45, 408343), (65, 282699), (101, 181935), (117, 157055), (195, 94233), (303, 60645), (311, 59085), (505, 36387), (585, 31411), (909, 20215), (933, 19695), (1313, 13995), (1515, 12129), (1555, 11817), (2799, 6565), (3939, 4665), (4043, 4545)]