18761330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 41361408

約数和(自身を除く): 22600078

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 43, 46, 70, 86, 115, 161, 215, 230, 271, 301, 322, 430, 542, 602, 805, 989, 1355, 1505, 1610, 1897, 1978, 2710, 3010, 3794, 4945, 6233, 6923, 9485, 9890, 11653, 12466, 13846, 18970, 23306, 31165, 34615, 43631, 58265, 62330, 69230, 81571, 87262, 116530, 163142, 218155, 268019, 407855, 436310, 536038, 815710, 1340095, 1876133, 2680190, 3752266, 9380665, 18761330]

約数ペア:

[(1, 18761330), (2, 9380665), (5, 3752266), (7, 2680190), (10, 1876133), (14, 1340095), (23, 815710), (35, 536038), (43, 436310), (46, 407855), (70, 268019), (86, 218155), (115, 163142), (161, 116530), (215, 87262), (230, 81571), (271, 69230), (301, 62330), (322, 58265), (430, 43631), (542, 34615), (602, 31165), (805, 23306), (989, 18970), (1355, 13846), (1505, 12466), (1610, 11653), (1897, 9890), (1978, 9485), (2710, 6923), (3010, 6233), (3794, 4945)]