19984392

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5237}}^1$

素因数の和:5302

約数の個数: 48

約数和(自身を含む): 55156140

約数和(自身を除く): 35171748

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5237, 10474, 15711, 20948, 31422, 41896, 47133, 62844, 94266, 125688, 188532, 277561, 377064, 555122, 832683, 1110244, 1665366, 2220488, 2498049, 3330732, 4996098, 6661464, 9992196, 19984392]

約数ペア:

[(1, 19984392), (2, 9992196), (3, 6661464), (4, 4996098), (6, 3330732), (8, 2498049), (9, 2220488), (12, 1665366), (18, 1110244), (24, 832683), (36, 555122), (53, 377064), (72, 277561), (106, 188532), (159, 125688), (212, 94266), (318, 62844), (424, 47133), (477, 41896), (636, 31422), (954, 20948), (1272, 15711), (1908, 10474), (3816, 5237)]