19625440

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5333}}^1$

素因数の和:5371

約数の個数: 48

約数和(自身を含む): 48390048

約数和(自身を除く): 28764608

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, 5333, 10666, 21332, 26665, 42664, 53330, 85328, 106660, 122659, 170656, 213320, 245318, 426640, 490636, 613295, 853280, 981272, 1226590, 1962544, 2453180, 3925088, 4906360, 9812720, 19625440]

約数ペア:

[(1, 19625440), (2, 9812720), (4, 4906360), (5, 3925088), (8, 2453180), (10, 1962544), (16, 1226590), (20, 981272), (23, 853280), (32, 613295), (40, 490636), (46, 426640), (80, 245318), (92, 213320), (115, 170656), (160, 122659), (184, 106660), (230, 85328), (368, 53330), (460, 42664), (736, 26665), (920, 21332), (1840, 10666), (3680, 5333)]