19141690

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 16420550

約数列:

[1, 2, 5, 10, 47, 94, 139, 235, 278, 293, 470, 586, 695, 1390, 1465, 2930, 6533, 13066, 13771, 27542, 32665, 40727, 65330, 68855, 81454, 137710, 203635, 407270, 1914169, 3828338, 9570845, 19141690]

約数ペア:

[(1, 19141690), (2, 9570845), (5, 3828338), (10, 1914169), (47, 407270), (94, 203635), (139, 137710), (235, 81454), (278, 68855), (293, 65330), (470, 40727), (586, 32665), (695, 27542), (1390, 13771), (1465, 13066), (2930, 6533)]