18347004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 50450400

約数和(自身を除く): 32103396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 197, 199, 234, 394, 398, 468, 591, 597, 788, 796, 1182, 1194, 1773, 1791, 2364, 2388, 2561, 2587, 3546, 3582, 5122, 5174, 7092, 7164, 7683, 7761, 10244, 10348, 15366, 15522, 23049, 23283, 30732, 31044, 39203, 46098, 46566, 78406, 92196, 93132, 117609, 156812, 235218, 352827, 470436, 509639, 705654, 1019278, 1411308, 1528917, 2038556, 3057834, 4586751, 6115668, 9173502, 18347004]

約数ペア:

[(1, 18347004), (2, 9173502), (3, 6115668), (4, 4586751), (6, 3057834), (9, 2038556), (12, 1528917), (13, 1411308), (18, 1019278), (26, 705654), (36, 509639), (39, 470436), (52, 352827), (78, 235218), (117, 156812), (156, 117609), (197, 93132), (199, 92196), (234, 78406), (394, 46566), (398, 46098), (468, 39203), (591, 31044), (597, 30732), (788, 23283), (796, 23049), (1182, 15522), (1194, 15366), (1773, 10348), (1791, 10244), (2364, 7761), (2388, 7683), (2561, 7164), (2587, 7092), (3546, 5174), (3582, 5122)]