19004428

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1097}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 34310304

約数和(自身を除く): 15305876

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 1097, 2194, 4331, 4388, 8662, 17324, 66917, 77887, 133834, 155774, 267668, 311548, 4751107, 9502214, 19004428]

約数ペア:

[(1, 19004428), (2, 9502214), (4, 4751107), (61, 311548), (71, 267668), (122, 155774), (142, 133834), (244, 77887), (284, 66917), (1097, 17324), (2194, 8662), (4331, 4388)]