17992480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10223}}^1$

素因数の和:10249

約数の個数: 48

約数和(自身を含む): 46376064

約数和(自身を除く): 28383584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10223, 20446, 40892, 51115, 81784, 102230, 112453, 163568, 204460, 224906, 327136, 408920, 449812, 562265, 817840, 899624, 1124530, 1635680, 1799248, 2249060, 3598496, 4498120, 8996240, 17992480]

約数ペア:

[(1, 17992480), (2, 8996240), (4, 4498120), (5, 3598496), (8, 2249060), (10, 1799248), (11, 1635680), (16, 1124530), (20, 899624), (22, 817840), (32, 562265), (40, 449812), (44, 408920), (55, 327136), (80, 224906), (88, 204460), (110, 163568), (160, 112453), (176, 102230), (220, 81784), (352, 51115), (440, 40892), (880, 20446), (1760, 10223)]