19852736

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 56

約数和(自身を含む): 42464736

約数和(自身を除く): 22612000

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 136, 142, 257, 272, 284, 514, 544, 568, 1028, 1088, 1136, 1207, 2056, 2272, 2414, 4112, 4369, 4544, 4828, 8224, 8738, 9656, 16448, 17476, 18247, 19312, 34952, 36494, 38624, 69904, 72988, 77248, 139808, 145976, 279616, 291952, 310199, 583904, 620398, 1167808, 1240796, 2481592, 4963184, 9926368, 19852736]

約数ペア:

[(1, 19852736), (2, 9926368), (4, 4963184), (8, 2481592), (16, 1240796), (17, 1167808), (32, 620398), (34, 583904), (64, 310199), (68, 291952), (71, 279616), (136, 145976), (142, 139808), (257, 77248), (272, 72988), (284, 69904), (514, 38624), (544, 36494), (568, 34952), (1028, 19312), (1088, 18247), (1136, 17476), (1207, 16448), (2056, 9656), (2272, 8738), (2414, 8224), (4112, 4828), (4369, 4544)]