19775812

素因数分解:

$2^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:800

約数の個数: 36

約数和(自身を含む): 40570320

約数和(自身を除く): 20794508

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 163, 196, 326, 619, 652, 1141, 1238, 2282, 2476, 4333, 4564, 7987, 8666, 15974, 17332, 30331, 31948, 60662, 100897, 121324, 201794, 403588, 706279, 1412558, 2825116, 4943953, 9887906, 19775812]

約数ペア:

[(1, 19775812), (2, 9887906), (4, 4943953), (7, 2825116), (14, 1412558), (28, 706279), (49, 403588), (98, 201794), (163, 121324), (196, 100897), (326, 60662), (619, 31948), (652, 30331), (1141, 17332), (1238, 15974), (2282, 8666), (2476, 7987), (4333, 4564)]