19748720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10733}}^1$

素因数の和:10769

約数の個数: 40

約数和(自身を含む): 47916576

約数和(自身を除く): 28167856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10733, 21466, 42932, 53665, 85864, 107330, 171728, 214660, 246859, 429320, 493718, 858640, 987436, 1234295, 1974872, 2468590, 3949744, 4937180, 9874360, 19748720]

約数ペア:

[(1, 19748720), (2, 9874360), (4, 4937180), (5, 3949744), (8, 2468590), (10, 1974872), (16, 1234295), (20, 987436), (23, 858640), (40, 493718), (46, 429320), (80, 246859), (92, 214660), (115, 171728), (184, 107330), (230, 85864), (368, 53665), (460, 42932), (920, 21466), (1840, 10733)]