18718222

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 30209760

約数和(自身を除く): 11491538

約数列:

[1, 2, 41, 53, 59, 73, 82, 106, 118, 146, 2173, 2419, 2993, 3127, 3869, 4307, 4346, 4838, 5986, 6254, 7738, 8614, 128207, 158629, 176587, 228271, 256414, 317258, 353174, 456542, 9359111, 18718222]

約数ペア:

[(1, 18718222), (2, 9359111), (41, 456542), (53, 353174), (59, 317258), (73, 256414), (82, 228271), (106, 176587), (118, 158629), (146, 128207), (2173, 8614), (2419, 7738), (2993, 6254), (3127, 5986), (3869, 4838), (4307, 4346)]