19434218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 12291862

約数列:

[1, 2, 23, 46, 47, 89, 94, 101, 178, 202, 1081, 2047, 2162, 2323, 4094, 4183, 4646, 4747, 8366, 8989, 9494, 17978, 96209, 109181, 192418, 206747, 218362, 413494, 422483, 844966, 9717109, 19434218]

約数ペア:

[(1, 19434218), (2, 9717109), (23, 844966), (46, 422483), (47, 413494), (89, 218362), (94, 206747), (101, 192418), (178, 109181), (202, 96209), (1081, 17978), (2047, 9494), (2162, 8989), (2323, 8366), (4094, 4747), (4183, 4646)]