18355454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 30947616

約数和(自身を除く): 12592162

約数列:

[1, 2, 13, 26, 41, 67, 82, 134, 257, 514, 533, 871, 1066, 1742, 2747, 3341, 5494, 6682, 10537, 17219, 21074, 34438, 35711, 71422, 136981, 223847, 273962, 447694, 705979, 1411958, 9177727, 18355454]

約数ペア:

[(1, 18355454), (2, 9177727), (13, 1411958), (26, 705979), (41, 447694), (67, 273962), (82, 223847), (134, 136981), (257, 71422), (514, 35711), (533, 34438), (871, 21074), (1066, 17219), (1742, 10537), (2747, 6682), (3341, 5494)]