2019968223009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{619841}}^1$

素因数の和:620066

約数の個数: 64

約数和(自身を含む): 3215403101952

約数和(自身を除く): 1195434878943

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 157, 187, 407, 471, 561, 629, 1221, 1727, 1887, 2669, 5181, 5809, 6919, 8007, 17427, 20757, 29359, 63899, 88077, 98753, 191697, 296259, 619841, 1086283, 1859523, 3258849, 6818251, 10537297, 20454753, 22934117, 31611891, 68802351, 97315037, 115910267, 252275287, 291945111, 347730801, 389879989, 756825861, 1070465407, 1169639967, 1654355629, 3211396221, 3600656369, 4288679879, 4963066887, 10801969107, 12866039637, 18197911919, 39607220059, 54593735757, 61211158273, 118821660177, 183633474819, 673322741003, 2019968223009]

約数ペア:

[(1, 2019968223009), (3, 673322741003), (11, 183633474819), (17, 118821660177), (33, 61211158273), (37, 54593735757), (51, 39607220059), (111, 18197911919), (157, 12866039637), (187, 10801969107), (407, 4963066887), (471, 4288679879), (561, 3600656369), (629, 3211396221), (1221, 1654355629), (1727, 1169639967), (1887, 1070465407), (2669, 756825861), (5181, 389879989), (5809, 347730801), (6919, 291945111), (8007, 252275287), (17427, 115910267), (20757, 97315037), (29359, 68802351), (63899, 31611891), (88077, 22934117), (98753, 20454753), (191697, 10537297), (296259, 6818251), (619841, 3258849), (1086283, 1859523)]