19840956

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 47824896

約数和(自身を除く): 27983940

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 127, 141, 188, 254, 277, 282, 381, 508, 554, 564, 762, 831, 1108, 1524, 1662, 3324, 5969, 11938, 13019, 17907, 23876, 26038, 35179, 35814, 39057, 52076, 70358, 71628, 78114, 105537, 140716, 156228, 211074, 422148, 1653413, 3306826, 4960239, 6613652, 9920478, 19840956]

約数ペア:

[(1, 19840956), (2, 9920478), (3, 6613652), (4, 4960239), (6, 3306826), (12, 1653413), (47, 422148), (94, 211074), (127, 156228), (141, 140716), (188, 105537), (254, 78114), (277, 71628), (282, 70358), (381, 52076), (508, 39057), (554, 35814), (564, 35179), (762, 26038), (831, 23876), (1108, 17907), (1524, 13019), (1662, 11938), (3324, 5969)]