19676960

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5347}}^1$

素因数の和:5385

約数の個数: 48

約数和(自身を含む): 48517056

約数和(自身を除く): 28840096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5347, 10694, 21388, 26735, 42776, 53470, 85552, 106940, 122981, 171104, 213880, 245962, 427760, 491924, 614905, 855520, 983848, 1229810, 1967696, 2459620, 3935392, 4919240, 9838480, 19676960]

約数ペア:

[(1, 19676960), (2, 9838480), (4, 4919240), (5, 3935392), (8, 2459620), (10, 1967696), (16, 1229810), (20, 983848), (23, 855520), (32, 614905), (40, 491924), (46, 427760), (80, 245962), (92, 213880), (115, 171104), (160, 122981), (184, 106940), (230, 85552), (368, 53470), (460, 42776), (736, 26735), (920, 21388), (1840, 10694), (3680, 5347)]