18829839

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 29666304

約数和(自身を除く): 10836465

約数列:

[1, 3, 7, 21, 71, 73, 173, 213, 219, 497, 511, 519, 1211, 1491, 1533, 3633, 5183, 12283, 12629, 15549, 36281, 36849, 37887, 85981, 88403, 108843, 257943, 265209, 896659, 2689977, 6276613, 18829839]

約数ペア:

[(1, 18829839), (3, 6276613), (7, 2689977), (21, 896659), (71, 265209), (73, 257943), (173, 108843), (213, 88403), (219, 85981), (497, 37887), (511, 36849), (519, 36281), (1211, 15549), (1491, 12629), (1533, 12283), (3633, 5183)]