18954932

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:920

約数の個数: 36

約数和(自身を含む): 37134720

約数和(自身を除く): 18179788

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 289, 323, 578, 646, 863, 1156, 1292, 1726, 3452, 5491, 10982, 14671, 16397, 21964, 29342, 32794, 58684, 65588, 249407, 278749, 498814, 557498, 997628, 1114996, 4738733, 9477466, 18954932]

約数ペア:

[(1, 18954932), (2, 9477466), (4, 4738733), (17, 1114996), (19, 997628), (34, 557498), (38, 498814), (68, 278749), (76, 249407), (289, 65588), (323, 58684), (578, 32794), (646, 29342), (863, 21964), (1156, 16397), (1292, 14671), (1726, 10982), (3452, 5491)]