18804992

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 41391000

約数和(自身を除く): 22586008

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 128, 136, 149, 232, 256, 272, 298, 464, 493, 544, 596, 928, 986, 1088, 1192, 1856, 1972, 2176, 2384, 2533, 3712, 3944, 4321, 4352, 4768, 5066, 7424, 7888, 8642, 9536, 10132, 15776, 17284, 19072, 20264, 31552, 34568, 38144, 40528, 63104, 69136, 73457, 81056, 126208, 138272, 146914, 162112, 276544, 293828, 324224, 553088, 587656, 648448, 1106176, 1175312, 2350624, 4701248, 9402496, 18804992]

約数ペア:

[(1, 18804992), (2, 9402496), (4, 4701248), (8, 2350624), (16, 1175312), (17, 1106176), (29, 648448), (32, 587656), (34, 553088), (58, 324224), (64, 293828), (68, 276544), (116, 162112), (128, 146914), (136, 138272), (149, 126208), (232, 81056), (256, 73457), (272, 69136), (298, 63104), (464, 40528), (493, 38144), (544, 34568), (596, 31552), (928, 20264), (986, 19072), (1088, 17284), (1192, 15776), (1856, 10132), (1972, 9536), (2176, 8642), (2384, 7888), (2533, 7424), (3712, 5066), (3944, 4768), (4321, 4352)]