19554250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 40030848

約数和(自身を除く): 20476598

約数列:

[1, 2, 5, 10, 17, 25, 34, 43, 50, 85, 86, 107, 125, 170, 214, 215, 250, 425, 430, 535, 731, 850, 1070, 1075, 1462, 1819, 2125, 2150, 2675, 3638, 3655, 4250, 4601, 5350, 5375, 7310, 9095, 9202, 10750, 13375, 18190, 18275, 23005, 26750, 36550, 45475, 46010, 78217, 90950, 91375, 115025, 156434, 182750, 227375, 230050, 391085, 454750, 575125, 782170, 1150250, 1955425, 3910850, 9777125, 19554250]

約数ペア:

[(1, 19554250), (2, 9777125), (5, 3910850), (10, 1955425), (17, 1150250), (25, 782170), (34, 575125), (43, 454750), (50, 391085), (85, 230050), (86, 227375), (107, 182750), (125, 156434), (170, 115025), (214, 91375), (215, 90950), (250, 78217), (425, 46010), (430, 45475), (535, 36550), (731, 26750), (850, 23005), (1070, 18275), (1075, 18190), (1462, 13375), (1819, 10750), (2125, 9202), (2150, 9095), (2675, 7310), (3638, 5375), (3655, 5350), (4250, 4601)]