19968608

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 47029248

約数和(自身を除く): 27060640

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 47, 68, 71, 88, 94, 136, 142, 176, 187, 188, 272, 284, 352, 374, 376, 517, 544, 568, 748, 752, 781, 799, 1034, 1136, 1207, 1496, 1504, 1562, 1598, 2068, 2272, 2414, 2992, 3124, 3196, 3337, 4136, 4828, 5984, 6248, 6392, 6674, 8272, 8789, 9656, 12496, 12784, 13277, 13348, 16544, 17578, 19312, 24992, 25568, 26554, 26696, 35156, 36707, 38624, 53108, 53392, 56729, 70312, 73414, 106216, 106784, 113458, 140624, 146828, 212432, 226916, 281248, 293656, 424864, 453832, 587312, 624019, 907664, 1174624, 1248038, 1815328, 2496076, 4992152, 9984304, 19968608]

約数ペア:

[(1, 19968608), (2, 9984304), (4, 4992152), (8, 2496076), (11, 1815328), (16, 1248038), (17, 1174624), (22, 907664), (32, 624019), (34, 587312), (44, 453832), (47, 424864), (68, 293656), (71, 281248), (88, 226916), (94, 212432), (136, 146828), (142, 140624), (176, 113458), (187, 106784), (188, 106216), (272, 73414), (284, 70312), (352, 56729), (374, 53392), (376, 53108), (517, 38624), (544, 36707), (568, 35156), (748, 26696), (752, 26554), (781, 25568), (799, 24992), (1034, 19312), (1136, 17578), (1207, 16544), (1496, 13348), (1504, 13277), (1562, 12784), (1598, 12496), (2068, 9656), (2272, 8789), (2414, 8272), (2992, 6674), (3124, 6392), (3196, 6248), (3337, 5984), (4136, 4828)]