18551888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 37545216

約数和(自身を除く): 18993328

約数列:

[1, 2, 4, 8, 16, 31, 62, 113, 124, 226, 248, 331, 452, 496, 662, 904, 1324, 1808, 2648, 3503, 5296, 7006, 10261, 14012, 20522, 28024, 37403, 41044, 56048, 74806, 82088, 149612, 164176, 299224, 598448, 1159493, 2318986, 4637972, 9275944, 18551888]

約数ペア:

[(1, 18551888), (2, 9275944), (4, 4637972), (8, 2318986), (16, 1159493), (31, 598448), (62, 299224), (113, 164176), (124, 149612), (226, 82088), (248, 74806), (331, 56048), (452, 41044), (496, 37403), (662, 28024), (904, 20522), (1324, 14012), (1808, 10261), (2648, 7006), (3503, 5296)]