18065398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 30451680

約数和(自身を除く): 12386282

約数列:

[1, 2, 13, 26, 37, 74, 89, 178, 211, 422, 481, 962, 1157, 2314, 2743, 3293, 5486, 6586, 7807, 15614, 18779, 37558, 42809, 85618, 101491, 202982, 244127, 488254, 694823, 1389646, 9032699, 18065398]

約数ペア:

[(1, 18065398), (2, 9032699), (13, 1389646), (26, 694823), (37, 488254), (74, 244127), (89, 202982), (178, 101491), (211, 85618), (422, 42809), (481, 37558), (962, 18779), (1157, 15614), (2314, 7807), (2743, 6586), (3293, 5486)]