18313964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 17883316

約数列:

[1, 2, 4, 17, 29, 34, 37, 58, 68, 74, 116, 148, 251, 493, 502, 629, 986, 1004, 1073, 1258, 1972, 2146, 2516, 4267, 4292, 7279, 8534, 9287, 14558, 17068, 18241, 18574, 29116, 36482, 37148, 72964, 123743, 157879, 247486, 269323, 315758, 494972, 538646, 631516, 1077292, 4578491, 9156982, 18313964]

約数ペア:

[(1, 18313964), (2, 9156982), (4, 4578491), (17, 1077292), (29, 631516), (34, 538646), (37, 494972), (58, 315758), (68, 269323), (74, 247486), (116, 157879), (148, 123743), (251, 72964), (493, 37148), (502, 36482), (629, 29116), (986, 18574), (1004, 18241), (1073, 17068), (1258, 14558), (1972, 9287), (2146, 8534), (2516, 7279), (4267, 4292)]