19435120

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 45376560

約数和(自身を除く): 25941440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 641, 758, 1282, 1516, 1895, 2564, 3032, 3205, 3790, 5128, 6064, 6410, 7580, 10256, 12820, 15160, 25640, 30320, 51280, 242939, 485878, 971756, 1214695, 1943512, 2429390, 3887024, 4858780, 9717560, 19435120]

約数ペア:

[(1, 19435120), (2, 9717560), (4, 4858780), (5, 3887024), (8, 2429390), (10, 1943512), (16, 1214695), (20, 971756), (40, 485878), (80, 242939), (379, 51280), (641, 30320), (758, 25640), (1282, 15160), (1516, 12820), (1895, 10256), (2564, 7580), (3032, 6410), (3205, 6064), (3790, 5128)]