19338970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 39937536

約数和(自身を除く): 20598566

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 431, 641, 862, 1282, 2155, 3017, 3205, 4310, 4487, 6034, 6410, 8974, 15085, 22435, 30170, 44870, 276271, 552542, 1381355, 1933897, 2762710, 3867794, 9669485, 19338970]

約数ペア:

[(1, 19338970), (2, 9669485), (5, 3867794), (7, 2762710), (10, 1933897), (14, 1381355), (35, 552542), (70, 276271), (431, 44870), (641, 30170), (862, 22435), (1282, 15085), (2155, 8974), (3017, 6410), (3205, 6034), (4310, 4487)]