19730694

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 43425792

約数和(自身を除く): 23695098

約数列:

[1, 2, 3, 6, 31, 37, 47, 61, 62, 74, 93, 94, 111, 122, 141, 183, 186, 222, 282, 366, 1147, 1457, 1739, 1891, 2257, 2294, 2867, 2914, 3441, 3478, 3782, 4371, 4514, 5217, 5673, 5734, 6771, 6882, 8601, 8742, 10434, 11346, 13542, 17202, 53909, 69967, 88877, 106079, 107818, 139934, 161727, 177754, 209901, 212158, 266631, 318237, 323454, 419802, 533262, 636474, 3288449, 6576898, 9865347, 19730694]

約数ペア:

[(1, 19730694), (2, 9865347), (3, 6576898), (6, 3288449), (31, 636474), (37, 533262), (47, 419802), (61, 323454), (62, 318237), (74, 266631), (93, 212158), (94, 209901), (111, 177754), (122, 161727), (141, 139934), (183, 107818), (186, 106079), (222, 88877), (282, 69967), (366, 53909), (1147, 17202), (1457, 13542), (1739, 11346), (1891, 10434), (2257, 8742), (2294, 8601), (2867, 6882), (2914, 6771), (3441, 5734), (3478, 5673), (3782, 5217), (4371, 4514)]