19693278

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1259}}^1$

素因数の和:1357

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 27481122

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 79, 99, 158, 198, 237, 474, 711, 869, 1259, 1422, 1738, 2518, 2607, 3777, 5214, 7554, 7821, 11331, 13849, 15642, 22662, 27698, 41547, 83094, 99461, 124641, 198922, 249282, 298383, 596766, 895149, 1094071, 1790298, 2188142, 3282213, 6564426, 9846639, 19693278]

約数ペア:

[(1, 19693278), (2, 9846639), (3, 6564426), (6, 3282213), (9, 2188142), (11, 1790298), (18, 1094071), (22, 895149), (33, 596766), (66, 298383), (79, 249282), (99, 198922), (158, 124641), (198, 99461), (237, 83094), (474, 41547), (711, 27698), (869, 22662), (1259, 15642), (1422, 13849), (1738, 11331), (2518, 7821), (2607, 7554), (3777, 5214)]