18782032

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2051

約数の個数: 40

約数和(自身を含む): 39560960

約数和(自身を除く): 20778928

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 1993, 2356, 3986, 4712, 7972, 9424, 15944, 31888, 37867, 61783, 75734, 123566, 151468, 247132, 302936, 494264, 605872, 988528, 1173877, 2347754, 4695508, 9391016, 18782032]

約数ペア:

[(1, 18782032), (2, 9391016), (4, 4695508), (8, 2347754), (16, 1173877), (19, 988528), (31, 605872), (38, 494264), (62, 302936), (76, 247132), (124, 151468), (152, 123566), (248, 75734), (304, 61783), (496, 37867), (589, 31888), (1178, 15944), (1993, 9424), (2356, 7972), (3986, 4712)]