18286696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 38491200

約数和(自身を除く): 20204504

約数列:

[1, 2, 4, 8, 17, 34, 43, 53, 59, 68, 86, 106, 118, 136, 172, 212, 236, 344, 424, 472, 731, 901, 1003, 1462, 1802, 2006, 2279, 2537, 2924, 3127, 3604, 4012, 4558, 5074, 5848, 6254, 7208, 8024, 9116, 10148, 12508, 18232, 20296, 25016, 38743, 43129, 53159, 77486, 86258, 106318, 134461, 154972, 172516, 212636, 268922, 309944, 345032, 425272, 537844, 1075688, 2285837, 4571674, 9143348, 18286696]

約数ペア:

[(1, 18286696), (2, 9143348), (4, 4571674), (8, 2285837), (17, 1075688), (34, 537844), (43, 425272), (53, 345032), (59, 309944), (68, 268922), (86, 212636), (106, 172516), (118, 154972), (136, 134461), (172, 106318), (212, 86258), (236, 77486), (344, 53159), (424, 43129), (472, 38743), (731, 25016), (901, 20296), (1003, 18232), (1462, 12508), (1802, 10148), (2006, 9116), (2279, 8024), (2537, 7208), (2924, 6254), (3127, 5848), (3604, 5074), (4012, 4558)]