18910363700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{231461}}^1$

素因数の和:231537

約数の個数: 72

約数和(自身を含む): 44199983520

約数和(自身を除く): 25289619820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 817, 860, 950, 1075, 1634, 1900, 2150, 3268, 4085, 4300, 8170, 16340, 20425, 40850, 81700, 231461, 462922, 925844, 1157305, 2314610, 4397759, 4629220, 5786525, 8795518, 9952823, 11573050, 17591036, 19905646, 21988795, 23146100, 39811292, 43977590, 49764115, 87955180, 99528230, 109943975, 189103637, 199056460, 219887950, 248820575, 378207274, 439775900, 497641150, 756414548, 945518185, 995282300, 1891036370, 3782072740, 4727590925, 9455181850, 18910363700]

約数ペア:

[(1, 18910363700), (2, 9455181850), (4, 4727590925), (5, 3782072740), (10, 1891036370), (19, 995282300), (20, 945518185), (25, 756414548), (38, 497641150), (43, 439775900), (50, 378207274), (76, 248820575), (86, 219887950), (95, 199056460), (100, 189103637), (172, 109943975), (190, 99528230), (215, 87955180), (380, 49764115), (430, 43977590), (475, 39811292), (817, 23146100), (860, 21988795), (950, 19905646), (1075, 17591036), (1634, 11573050), (1900, 9952823), (2150, 8795518), (3268, 5786525), (4085, 4629220), (4300, 4397759), (8170, 2314610), (16340, 1157305), (20425, 925844), (40850, 462922), (81700, 231461)]