19057520

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1129}}^1$

素因数の和:1353

約数の個数: 40

約数和(自身を含む): 44558160

約数和(自身を除く): 25500640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1129, 1688, 2110, 2258, 3376, 4220, 4516, 5645, 8440, 9032, 11290, 16880, 18064, 22580, 45160, 90320, 238219, 476438, 952876, 1191095, 1905752, 2382190, 3811504, 4764380, 9528760, 19057520]

約数ペア:

[(1, 19057520), (2, 9528760), (4, 4764380), (5, 3811504), (8, 2382190), (10, 1905752), (16, 1191095), (20, 952876), (40, 476438), (80, 238219), (211, 90320), (422, 45160), (844, 22580), (1055, 18064), (1129, 16880), (1688, 11290), (2110, 9032), (2258, 8440), (3376, 5645), (4220, 4516)]