19842746

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 38413440

約数和(自身を除く): 18570694

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 79, 98, 154, 158, 233, 466, 539, 553, 869, 1078, 1106, 1631, 1738, 2563, 3262, 3871, 5126, 6083, 7742, 11417, 12166, 17941, 18407, 22834, 35882, 36814, 42581, 85162, 125587, 128849, 202477, 251174, 257698, 404954, 901943, 1417339, 1803886, 2834678, 9921373, 19842746]

約数ペア:

[(1, 19842746), (2, 9921373), (7, 2834678), (11, 1803886), (14, 1417339), (22, 901943), (49, 404954), (77, 257698), (79, 251174), (98, 202477), (154, 128849), (158, 125587), (233, 85162), (466, 42581), (539, 36814), (553, 35882), (869, 22834), (1078, 18407), (1106, 17941), (1631, 12166), (1738, 11417), (2563, 7742), (3262, 6083), (3871, 5126)]