19535244

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 49925568

約数和(自身を除く): 30390324

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 131, 172, 204, 258, 262, 289, 393, 516, 524, 578, 731, 786, 867, 1156, 1462, 1572, 1734, 2193, 2227, 2924, 3468, 4386, 4454, 5633, 6681, 8772, 8908, 11266, 12427, 13362, 16899, 22532, 24854, 26724, 33798, 37281, 37859, 49708, 67596, 74562, 75718, 95761, 113577, 149124, 151436, 191522, 227154, 287283, 383044, 454308, 574566, 1149132, 1627937, 3255874, 4883811, 6511748, 9767622, 19535244]

約数ペア:

[(1, 19535244), (2, 9767622), (3, 6511748), (4, 4883811), (6, 3255874), (12, 1627937), (17, 1149132), (34, 574566), (43, 454308), (51, 383044), (68, 287283), (86, 227154), (102, 191522), (129, 151436), (131, 149124), (172, 113577), (204, 95761), (258, 75718), (262, 74562), (289, 67596), (393, 49708), (516, 37859), (524, 37281), (578, 33798), (731, 26724), (786, 24854), (867, 22532), (1156, 16899), (1462, 13362), (1572, 12427), (1734, 11266), (2193, 8908), (2227, 8772), (2924, 6681), (3468, 5633), (4386, 4454)]