19257440

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5233}}^1$

素因数の和:5271

約数の個数: 48

約数和(自身を含む): 47482848

約数和(自身を除く): 28225408

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, 5233, 10466, 20932, 26165, 41864, 52330, 83728, 104660, 120359, 167456, 209320, 240718, 418640, 481436, 601795, 837280, 962872, 1203590, 1925744, 2407180, 3851488, 4814360, 9628720, 19257440]

約数ペア:

[(1, 19257440), (2, 9628720), (4, 4814360), (5, 3851488), (8, 2407180), (10, 1925744), (16, 1203590), (20, 962872), (23, 837280), (32, 601795), (40, 481436), (46, 418640), (80, 240718), (92, 209320), (115, 167456), (160, 120359), (184, 104660), (230, 83728), (368, 52330), (460, 41864), (736, 26165), (920, 20932), (1840, 10466), (3680, 5233)]