19165460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56369}}^1$

素因数の和:56395

約数の個数: 24

約数和(自身を含む): 42615720

約数和(自身を除く): 23450260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56369, 112738, 225476, 281845, 563690, 958273, 1127380, 1916546, 3833092, 4791365, 9582730, 19165460]

約数ペア:

[(1, 19165460), (2, 9582730), (4, 4791365), (5, 3833092), (10, 1916546), (17, 1127380), (20, 958273), (34, 563690), (68, 281845), (85, 225476), (170, 112738), (340, 56369)]