19485928

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4519}}^1$

素因数の和:4550

約数の個数: 48

約数和(自身を含む): 46375200

約数和(自身を除く): 26889272

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4519, 9038, 18076, 31633, 36152, 49709, 63266, 99418, 126532, 198836, 221431, 253064, 347963, 397672, 442862, 695926, 885724, 1391852, 1771448, 2435741, 2783704, 4871482, 9742964, 19485928]

約数ペア:

[(1, 19485928), (2, 9742964), (4, 4871482), (7, 2783704), (8, 2435741), (11, 1771448), (14, 1391852), (22, 885724), (28, 695926), (44, 442862), (49, 397672), (56, 347963), (77, 253064), (88, 221431), (98, 198836), (154, 126532), (196, 99418), (308, 63266), (392, 49709), (539, 36152), (616, 31633), (1078, 18076), (2156, 9038), (4312, 4519)]