9919976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 22680000

約数和(自身を除く): 12760024

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 187, 209, 323, 349, 374, 418, 646, 698, 748, 836, 1292, 1396, 1496, 1672, 2584, 2792, 3553, 3839, 5933, 6631, 7106, 7678, 11866, 13262, 14212, 15356, 23732, 26524, 28424, 30712, 47464, 53048, 65263, 72941, 112727, 130526, 145882, 225454, 261052, 291764, 450908, 522104, 583528, 901816, 1239997, 2479994, 4959988, 9919976]

約数ペア:

[(1, 9919976), (2, 4959988), (4, 2479994), (8, 1239997), (11, 901816), (17, 583528), (19, 522104), (22, 450908), (34, 291764), (38, 261052), (44, 225454), (68, 145882), (76, 130526), (88, 112727), (136, 72941), (152, 65263), (187, 53048), (209, 47464), (323, 30712), (349, 28424), (374, 26524), (418, 23732), (646, 15356), (698, 14212), (748, 13262), (836, 11866), (1292, 7678), (1396, 7106), (1496, 6631), (1672, 5933), (2584, 3839), (2792, 3553)]