19862128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8681}}^1$

素因数の和:8713

約数の個数: 40

約数和(自身を含む): 45215856

約数和(自身を除く): 25353728

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8681, 17362, 34724, 69448, 95491, 112853, 138896, 190982, 225706, 381964, 451412, 763928, 902824, 1241383, 1527856, 1805648, 2482766, 4965532, 9931064, 19862128]

約数ペア:

[(1, 19862128), (2, 9931064), (4, 4965532), (8, 2482766), (11, 1805648), (13, 1527856), (16, 1241383), (22, 902824), (26, 763928), (44, 451412), (52, 381964), (88, 225706), (104, 190982), (143, 138896), (176, 112853), (208, 95491), (286, 69448), (572, 34724), (1144, 17362), (2288, 8681)]