18451738109

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{55339}}^1$

素因数の和:55497

約数の個数: 32

約数和(自身を含む): 23375616000

約数和(自身を除く): 4923877891

約数列:

[1, 7, 19, 23, 109, 133, 161, 437, 763, 2071, 2507, 3059, 14497, 17549, 47633, 55339, 333431, 387373, 1051441, 1272797, 6031951, 7360087, 8909579, 24183143, 42223657, 114607069, 138734873, 169282001, 802249483, 971144111, 2635962587, 18451738109]

約数ペア:

[(1, 18451738109), (7, 2635962587), (19, 971144111), (23, 802249483), (109, 169282001), (133, 138734873), (161, 114607069), (437, 42223657), (763, 24183143), (2071, 8909579), (2507, 7360087), (3059, 6031951), (14497, 1272797), (17549, 1051441), (47633, 387373), (55339, 333431)]