17899476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 47940480

約数和(自身を除く): 30041004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 409, 521, 818, 1042, 1227, 1563, 1636, 2084, 2454, 2863, 3126, 3647, 4908, 5726, 6252, 7294, 8589, 10941, 11452, 14588, 17178, 21882, 34356, 43764, 213089, 426178, 639267, 852356, 1278534, 1491623, 2557068, 2983246, 4474869, 5966492, 8949738, 17899476]

約数ペア:

[(1, 17899476), (2, 8949738), (3, 5966492), (4, 4474869), (6, 2983246), (7, 2557068), (12, 1491623), (14, 1278534), (21, 852356), (28, 639267), (42, 426178), (84, 213089), (409, 43764), (521, 34356), (818, 21882), (1042, 17178), (1227, 14588), (1563, 11452), (1636, 10941), (2084, 8589), (2454, 7294), (2863, 6252), (3126, 5726), (3647, 4908)]