19336520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 50699520

約数和(自身を除く): 31363000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1303, 1484, 1855, 2120, 2606, 2968, 3710, 5212, 6515, 7420, 9121, 10424, 13030, 14840, 18242, 26060, 36484, 45605, 52120, 69059, 72968, 91210, 138118, 182420, 276236, 345295, 364840, 483413, 552472, 690590, 966826, 1381180, 1933652, 2417065, 2762360, 3867304, 4834130, 9668260, 19336520]

約数ペア:

[(1, 19336520), (2, 9668260), (4, 4834130), (5, 3867304), (7, 2762360), (8, 2417065), (10, 1933652), (14, 1381180), (20, 966826), (28, 690590), (35, 552472), (40, 483413), (53, 364840), (56, 345295), (70, 276236), (106, 182420), (140, 138118), (212, 91210), (265, 72968), (280, 69059), (371, 52120), (424, 45605), (530, 36484), (742, 26060), (1060, 18242), (1303, 14840), (1484, 13030), (1855, 10424), (2120, 9121), (2606, 7420), (2968, 6515), (3710, 5212)]