19005720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 57335040

約数和(自身を除く): 38329320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 631, 753, 1004, 1255, 1262, 1506, 1893, 2008, 2510, 2524, 3012, 3155, 3765, 3786, 5020, 5048, 6024, 6310, 7530, 7572, 9465, 10040, 12620, 15060, 15144, 18930, 25240, 30120, 37860, 75720, 158381, 316762, 475143, 633524, 791905, 950286, 1267048, 1583810, 1900572, 2375715, 3167620, 3801144, 4751430, 6335240, 9502860, 19005720]

約数ペア:

[(1, 19005720), (2, 9502860), (3, 6335240), (4, 4751430), (5, 3801144), (6, 3167620), (8, 2375715), (10, 1900572), (12, 1583810), (15, 1267048), (20, 950286), (24, 791905), (30, 633524), (40, 475143), (60, 316762), (120, 158381), (251, 75720), (502, 37860), (631, 30120), (753, 25240), (1004, 18930), (1255, 15144), (1262, 15060), (1506, 12620), (1893, 10040), (2008, 9465), (2510, 7572), (2524, 7530), (3012, 6310), (3155, 6024), (3765, 5048), (3786, 5020)]