19634800

素因数分解:

$2^4\times 5^2\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:466

約数の個数: 60

約数和(自身を含む): 47604096

約数和(自身を除く): 27969296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 191, 200, 257, 382, 400, 514, 764, 955, 1028, 1285, 1528, 1910, 2056, 2570, 3056, 3820, 4112, 4775, 5140, 6425, 7640, 9550, 10280, 12850, 15280, 19100, 20560, 25700, 38200, 49087, 51400, 76400, 98174, 102800, 196348, 245435, 392696, 490870, 785392, 981740, 1227175, 1963480, 2454350, 3926960, 4908700, 9817400, 19634800]

約数ペア:

[(1, 19634800), (2, 9817400), (4, 4908700), (5, 3926960), (8, 2454350), (10, 1963480), (16, 1227175), (20, 981740), (25, 785392), (40, 490870), (50, 392696), (80, 245435), (100, 196348), (191, 102800), (200, 98174), (257, 76400), (382, 51400), (400, 49087), (514, 38200), (764, 25700), (955, 20560), (1028, 19100), (1285, 15280), (1528, 12850), (1910, 10280), (2056, 9550), (2570, 7640), (3056, 6425), (3820, 5140), (4112, 4775)]