19219659

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 28416000

約数和(自身を除く): 9196341

約数列:

[1, 3, 19, 31, 57, 73, 93, 149, 219, 447, 589, 1387, 1767, 2263, 2831, 4161, 4619, 6789, 8493, 10877, 13857, 32631, 42997, 87761, 128991, 206663, 263283, 337187, 619989, 1011561, 6406553, 19219659]

約数ペア:

[(1, 19219659), (3, 6406553), (19, 1011561), (31, 619989), (57, 337187), (73, 263283), (93, 206663), (149, 128991), (219, 87761), (447, 42997), (589, 32631), (1387, 13857), (1767, 10877), (2263, 8493), (2831, 6789), (4161, 4619)]