18570189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 28279296

約数和(自身を除く): 9709107

約数列:

[1, 3, 11, 33, 37, 67, 111, 201, 227, 407, 681, 737, 1221, 2211, 2479, 2497, 7437, 7491, 8399, 15209, 25197, 27269, 45627, 81807, 92389, 167299, 277167, 501897, 562733, 1688199, 6190063, 18570189]

約数ペア:

[(1, 18570189), (3, 6190063), (11, 1688199), (33, 562733), (37, 501897), (67, 277167), (111, 167299), (201, 92389), (227, 81807), (407, 45627), (681, 27269), (737, 25197), (1221, 15209), (2211, 8399), (2479, 7491), (2497, 7437)]