18381640250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{168253}}^1$

素因数の和:168312

約数の個数: 64

約数和(自身を含む): 37796578560

約数和(自身を除く): 19414938310

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 125, 190, 230, 250, 437, 475, 575, 874, 950, 1150, 2185, 2375, 2875, 4370, 4750, 5750, 10925, 21850, 54625, 109250, 168253, 336506, 841265, 1682530, 3196807, 3869819, 4206325, 6393614, 7739638, 8412650, 15984035, 19349095, 21031625, 31968070, 38698190, 42063250, 73526561, 79920175, 96745475, 147053122, 159840350, 193490950, 367632805, 399600875, 483727375, 735265610, 799201750, 967454750, 1838164025, 3676328050, 9190820125, 18381640250]

約数ペア:

[(1, 18381640250), (2, 9190820125), (5, 3676328050), (10, 1838164025), (19, 967454750), (23, 799201750), (25, 735265610), (38, 483727375), (46, 399600875), (50, 367632805), (95, 193490950), (115, 159840350), (125, 147053122), (190, 96745475), (230, 79920175), (250, 73526561), (437, 42063250), (475, 38698190), (575, 31968070), (874, 21031625), (950, 19349095), (1150, 15984035), (2185, 8412650), (2375, 7739638), (2875, 6393614), (4370, 4206325), (4750, 3869819), (5750, 3196807), (10925, 1682530), (21850, 841265), (54625, 336506), (109250, 168253)]