18881304

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 51592800

約数和(自身を除く): 32711496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 104, 146, 156, 219, 292, 312, 438, 584, 829, 876, 949, 1658, 1752, 1898, 2487, 2847, 3316, 3796, 4974, 5694, 6632, 7592, 9948, 10777, 11388, 19896, 21554, 22776, 32331, 43108, 60517, 64662, 86216, 121034, 129324, 181551, 242068, 258648, 363102, 484136, 726204, 786721, 1452408, 1573442, 2360163, 3146884, 4720326, 6293768, 9440652, 18881304]

約数ペア:

[(1, 18881304), (2, 9440652), (3, 6293768), (4, 4720326), (6, 3146884), (8, 2360163), (12, 1573442), (13, 1452408), (24, 786721), (26, 726204), (39, 484136), (52, 363102), (73, 258648), (78, 242068), (104, 181551), (146, 129324), (156, 121034), (219, 86216), (292, 64662), (312, 60517), (438, 43108), (584, 32331), (829, 22776), (876, 21554), (949, 19896), (1658, 11388), (1752, 10777), (1898, 9948), (2487, 7592), (2847, 6632), (3316, 5694), (3796, 4974)]