18707234

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 18548446

約数列:

[1, 2, 7, 13, 14, 23, 26, 41, 46, 82, 91, 109, 161, 182, 218, 287, 299, 322, 533, 574, 598, 763, 943, 1066, 1417, 1526, 1886, 2093, 2507, 2834, 3731, 4186, 4469, 5014, 6601, 7462, 8938, 9919, 12259, 13202, 17549, 19838, 24518, 31283, 32591, 35098, 58097, 62566, 65182, 85813, 102787, 116194, 171626, 205574, 228137, 406679, 456274, 719509, 813358, 1336231, 1439018, 2672462, 9353617, 18707234]

約数ペア:

[(1, 18707234), (2, 9353617), (7, 2672462), (13, 1439018), (14, 1336231), (23, 813358), (26, 719509), (41, 456274), (46, 406679), (82, 228137), (91, 205574), (109, 171626), (161, 116194), (182, 102787), (218, 85813), (287, 65182), (299, 62566), (322, 58097), (533, 35098), (574, 32591), (598, 31283), (763, 24518), (943, 19838), (1066, 17549), (1417, 13202), (1526, 12259), (1886, 9919), (2093, 8938), (2507, 7462), (2834, 6601), (3731, 5014), (4186, 4469)]