19889250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 51846912

約数和(自身を除く): 31957662

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 125, 138, 150, 230, 250, 345, 375, 575, 690, 750, 1150, 1153, 1725, 2306, 2875, 3450, 3459, 5750, 5765, 6918, 8625, 11530, 17250, 17295, 26519, 28825, 34590, 53038, 57650, 79557, 86475, 132595, 144125, 159114, 172950, 265190, 288250, 397785, 432375, 662975, 795570, 864750, 1325950, 1988925, 3314875, 3977850, 6629750, 9944625, 19889250]

約数ペア:

[(1, 19889250), (2, 9944625), (3, 6629750), (5, 3977850), (6, 3314875), (10, 1988925), (15, 1325950), (23, 864750), (25, 795570), (30, 662975), (46, 432375), (50, 397785), (69, 288250), (75, 265190), (115, 172950), (125, 159114), (138, 144125), (150, 132595), (230, 86475), (250, 79557), (345, 57650), (375, 53038), (575, 34590), (690, 28825), (750, 26519), (1150, 17295), (1153, 17250), (1725, 11530), (2306, 8625), (2875, 6918), (3450, 5765), (3459, 5750)]