15963724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 34558720

約数和(自身を除く): 18594996

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 811, 1036, 1406, 1622, 2812, 3244, 4921, 5677, 9842, 11354, 15409, 19684, 22708, 30007, 30818, 60014, 61636, 107863, 120028, 210049, 215726, 420098, 431452, 570133, 840196, 1140266, 2280532, 3990931, 7981862, 15963724]

約数ペア:

[(1, 15963724), (2, 7981862), (4, 3990931), (7, 2280532), (14, 1140266), (19, 840196), (28, 570133), (37, 431452), (38, 420098), (74, 215726), (76, 210049), (133, 120028), (148, 107863), (259, 61636), (266, 60014), (518, 30818), (532, 30007), (703, 22708), (811, 19684), (1036, 15409), (1406, 11354), (1622, 9842), (2812, 5677), (3244, 4921)]