19165712

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 38401560

約数和(自身を除く): 19235848

約数列:

[1, 2, 4, 8, 16, 61, 73, 122, 146, 244, 269, 292, 488, 538, 584, 976, 1076, 1168, 2152, 4304, 4453, 8906, 16409, 17812, 19637, 32818, 35624, 39274, 65636, 71248, 78548, 131272, 157096, 262544, 314192, 1197857, 2395714, 4791428, 9582856, 19165712]

約数ペア:

[(1, 19165712), (2, 9582856), (4, 4791428), (8, 2395714), (16, 1197857), (61, 314192), (73, 262544), (122, 157096), (146, 131272), (244, 78548), (269, 71248), (292, 65636), (488, 39274), (538, 35624), (584, 32818), (976, 19637), (1076, 17812), (1168, 16409), (2152, 8906), (4304, 4453)]