18678684

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{683}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 26826468

約数列:

[1, 2, 3, 4, 6, 12, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 516, 636, 683, 1366, 2049, 2279, 2732, 4098, 4558, 6837, 8196, 9116, 13674, 27348, 29369, 36199, 58738, 72398, 88107, 108597, 117476, 144796, 176214, 217194, 352428, 434388, 1556557, 3113114, 4669671, 6226228, 9339342, 18678684]

約数ペア:

[(1, 18678684), (2, 9339342), (3, 6226228), (4, 4669671), (6, 3113114), (12, 1556557), (43, 434388), (53, 352428), (86, 217194), (106, 176214), (129, 144796), (159, 117476), (172, 108597), (212, 88107), (258, 72398), (318, 58738), (516, 36199), (636, 29369), (683, 27348), (1366, 13674), (2049, 9116), (2279, 8196), (2732, 6837), (4098, 4558)]