19368232

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 41247360

約数和(自身を除く): 21879128

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 61, 71, 86, 104, 122, 142, 172, 244, 284, 344, 488, 559, 568, 793, 923, 1118, 1586, 1846, 2236, 2623, 3053, 3172, 3692, 4331, 4472, 5246, 6106, 6344, 7384, 8662, 10492, 12212, 17324, 20984, 24424, 34099, 34648, 39689, 56303, 68198, 79378, 112606, 136396, 158756, 186233, 225212, 272792, 317512, 372466, 450424, 744932, 1489864, 2421029, 4842058, 9684116, 19368232]

約数ペア:

[(1, 19368232), (2, 9684116), (4, 4842058), (8, 2421029), (13, 1489864), (26, 744932), (43, 450424), (52, 372466), (61, 317512), (71, 272792), (86, 225212), (104, 186233), (122, 158756), (142, 136396), (172, 112606), (244, 79378), (284, 68198), (344, 56303), (488, 39689), (559, 34648), (568, 34099), (793, 24424), (923, 20984), (1118, 17324), (1586, 12212), (1846, 10492), (2236, 8662), (2623, 7384), (3053, 6344), (3172, 6106), (3692, 5246), (4331, 4472)]