19844804

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{983}}^1$

素因数の和:1104

約数の個数: 36

約数和(自身を含む): 40832064

約数和(自身を除く): 20987260

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 983, 1442, 1966, 2884, 3932, 5047, 6881, 10094, 13762, 20188, 27524, 48167, 96334, 101249, 192668, 202498, 404996, 708743, 1417486, 2834972, 4961201, 9922402, 19844804]

約数ペア:

[(1, 19844804), (2, 9922402), (4, 4961201), (7, 2834972), (14, 1417486), (28, 708743), (49, 404996), (98, 202498), (103, 192668), (196, 101249), (206, 96334), (412, 48167), (721, 27524), (983, 20188), (1442, 13762), (1966, 10094), (2884, 6881), (3932, 5047)]