19208480

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{443}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 45650304

約数和(自身を除く): 26441824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 443, 542, 886, 1084, 1355, 1772, 2168, 2215, 2710, 3544, 4336, 4430, 5420, 7088, 8672, 8860, 10840, 14176, 17720, 21680, 35440, 43360, 70880, 120053, 240106, 480212, 600265, 960424, 1200530, 1920848, 2401060, 3841696, 4802120, 9604240, 19208480]

約数ペア:

[(1, 19208480), (2, 9604240), (4, 4802120), (5, 3841696), (8, 2401060), (10, 1920848), (16, 1200530), (20, 960424), (32, 600265), (40, 480212), (80, 240106), (160, 120053), (271, 70880), (443, 43360), (542, 35440), (886, 21680), (1084, 17720), (1355, 14176), (1772, 10840), (2168, 8860), (2215, 8672), (2710, 7088), (3544, 5420), (4336, 4430)]