19788516

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{16657}}^1$

素因数の和:16681

約数の個数: 48

約数和(自身を含む): 55970880

約数和(自身を除く): 36182364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 16657, 33314, 49971, 66628, 99942, 149913, 183227, 199884, 299826, 366454, 449739, 549681, 599652, 732908, 899478, 1099362, 1649043, 1798956, 2198724, 3298086, 4947129, 6596172, 9894258, 19788516]

約数ペア:

[(1, 19788516), (2, 9894258), (3, 6596172), (4, 4947129), (6, 3298086), (9, 2198724), (11, 1798956), (12, 1649043), (18, 1099362), (22, 899478), (27, 732908), (33, 599652), (36, 549681), (44, 449739), (54, 366454), (66, 299826), (99, 199884), (108, 183227), (132, 149913), (198, 99942), (297, 66628), (396, 49971), (594, 33314), (1188, 16657)]