19831600

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1214

約数の個数: 60

約数和(自身を含む): 48795736

約数和(自身を除く): 28964136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1153, 1720, 2150, 2306, 3440, 4300, 4612, 5765, 8600, 9224, 11530, 17200, 18448, 23060, 28825, 46120, 49579, 57650, 92240, 99158, 115300, 198316, 230600, 247895, 396632, 461200, 495790, 793264, 991580, 1239475, 1983160, 2478950, 3966320, 4957900, 9915800, 19831600]

約数ペア:

[(1, 19831600), (2, 9915800), (4, 4957900), (5, 3966320), (8, 2478950), (10, 1983160), (16, 1239475), (20, 991580), (25, 793264), (40, 495790), (43, 461200), (50, 396632), (80, 247895), (86, 230600), (100, 198316), (172, 115300), (200, 99158), (215, 92240), (344, 57650), (400, 49579), (430, 46120), (688, 28825), (860, 23060), (1075, 18448), (1153, 17200), (1720, 11530), (2150, 9224), (2306, 8600), (3440, 5765), (4300, 4612)]