2018016665

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{19739}}^1$

素因数の和:19901

約数の個数: 32

約数和(自身を含む): 2910781440

約数和(自身を除く): 892764775

約数列:

[1, 5, 7, 23, 35, 115, 127, 161, 635, 805, 889, 2921, 4445, 14605, 19739, 20447, 98695, 102235, 138173, 453997, 690865, 2269985, 2506853, 3177979, 12534265, 15889895, 17547971, 57657619, 87739855, 288288095, 403603333, 2018016665]

約数ペア:

[(1, 2018016665), (5, 403603333), (7, 288288095), (23, 87739855), (35, 57657619), (115, 17547971), (127, 15889895), (161, 12534265), (635, 3177979), (805, 2506853), (889, 2269985), (2921, 690865), (4445, 453997), (14605, 138173), (19739, 102235), (20447, 98695)]