19319804

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2887}}^1$

素因数の和:3137

約数の個数: 24

約数和(自身を含む): 38814720

約数和(自身を除く): 19494916

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 2887, 3346, 5774, 6692, 11548, 20209, 40418, 80836, 689993, 1379986, 2759972, 4829951, 9659902, 19319804]

約数ペア:

[(1, 19319804), (2, 9659902), (4, 4829951), (7, 2759972), (14, 1379986), (28, 689993), (239, 80836), (478, 40418), (956, 20209), (1673, 11548), (2887, 6692), (3346, 5774)]