19627636

素因数分解:

$2^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 40219200

約数和(自身を除く): 20591564

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 239, 419, 478, 838, 956, 1673, 1676, 2933, 3346, 5866, 6692, 11711, 11732, 20531, 23422, 41062, 46844, 82124, 100141, 200282, 400564, 700987, 1401974, 2803948, 4906909, 9813818, 19627636]

約数ペア:

[(1, 19627636), (2, 9813818), (4, 4906909), (7, 2803948), (14, 1401974), (28, 700987), (49, 400564), (98, 200282), (196, 100141), (239, 82124), (419, 46844), (478, 41062), (838, 23422), (956, 20531), (1673, 11732), (1676, 11711), (2933, 6692), (3346, 5866)]