19308208

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 38686016

約数和(自身を除く): 19377808

約数列:

[1, 2, 4, 8, 16, 61, 73, 122, 146, 244, 271, 292, 488, 542, 584, 976, 1084, 1168, 2168, 4336, 4453, 8906, 16531, 17812, 19783, 33062, 35624, 39566, 66124, 71248, 79132, 132248, 158264, 264496, 316528, 1206763, 2413526, 4827052, 9654104, 19308208]

約数ペア:

[(1, 19308208), (2, 9654104), (4, 4827052), (8, 2413526), (16, 1206763), (61, 316528), (73, 264496), (122, 158264), (146, 132248), (244, 79132), (271, 71248), (292, 66124), (488, 39566), (542, 35624), (584, 33062), (976, 19783), (1084, 17812), (1168, 16531), (2168, 8906), (4336, 4453)]