19531696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1441

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 21179984

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1367, 1786, 2734, 3572, 5468, 7144, 10936, 14288, 21872, 25973, 51946, 64249, 103892, 128498, 207784, 256996, 415568, 513992, 1027984, 1220731, 2441462, 4882924, 9765848, 19531696]

約数ペア:

[(1, 19531696), (2, 9765848), (4, 4882924), (8, 2441462), (16, 1220731), (19, 1027984), (38, 513992), (47, 415568), (76, 256996), (94, 207784), (152, 128498), (188, 103892), (304, 64249), (376, 51946), (752, 25973), (893, 21872), (1367, 14288), (1786, 10936), (2734, 7144), (3572, 5468)]