18577494

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 72

約数和(自身を含む): 45220032

約数和(自身を除く): 26642538

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 169, 186, 197, 234, 279, 338, 394, 403, 507, 558, 591, 806, 1014, 1182, 1209, 1521, 1773, 2418, 2561, 3042, 3546, 3627, 5122, 5239, 6107, 7254, 7683, 10478, 12214, 15366, 15717, 18321, 23049, 31434, 33293, 36642, 46098, 47151, 54963, 66586, 79391, 94302, 99879, 109926, 158782, 199758, 238173, 299637, 476346, 599274, 714519, 1032083, 1429038, 2064166, 3096249, 6192498, 9288747, 18577494]

約数ペア:

[(1, 18577494), (2, 9288747), (3, 6192498), (6, 3096249), (9, 2064166), (13, 1429038), (18, 1032083), (26, 714519), (31, 599274), (39, 476346), (62, 299637), (78, 238173), (93, 199758), (117, 158782), (169, 109926), (186, 99879), (197, 94302), (234, 79391), (279, 66586), (338, 54963), (394, 47151), (403, 46098), (507, 36642), (558, 33293), (591, 31434), (806, 23049), (1014, 18321), (1182, 15717), (1209, 15366), (1521, 12214), (1773, 10478), (2418, 7683), (2561, 7254), (3042, 6107), (3546, 5239), (3627, 5122)]