18242961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 27783168

約数和(自身を除く): 9540207

約数列:

[1, 3, 11, 33, 37, 67, 111, 201, 223, 407, 669, 737, 1221, 2211, 2453, 2479, 7359, 7437, 8251, 14941, 24753, 27269, 44823, 81807, 90761, 164351, 272283, 493053, 552817, 1658451, 6080987, 18242961]

約数ペア:

[(1, 18242961), (3, 6080987), (11, 1658451), (33, 552817), (37, 493053), (67, 272283), (111, 164351), (201, 90761), (223, 81807), (407, 44823), (669, 27269), (737, 24753), (1221, 14941), (2211, 8251), (2453, 7437), (2479, 7359)]