18848500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 28325900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 125, 149, 220, 230, 250, 253, 275, 298, 460, 500, 506, 550, 575, 596, 745, 1012, 1100, 1150, 1265, 1375, 1490, 1639, 2300, 2530, 2750, 2875, 2980, 3278, 3427, 3725, 5060, 5500, 5750, 6325, 6556, 6854, 7450, 8195, 11500, 12650, 13708, 14900, 16390, 17135, 18625, 25300, 31625, 32780, 34270, 37250, 37697, 40975, 63250, 68540, 74500, 75394, 81950, 85675, 126500, 150788, 163900, 171350, 188485, 204875, 342700, 376970, 409750, 428375, 753940, 819500, 856750, 942425, 1713500, 1884850, 3769700, 4712125, 9424250, 18848500]

約数ペア:

[(1, 18848500), (2, 9424250), (4, 4712125), (5, 3769700), (10, 1884850), (11, 1713500), (20, 942425), (22, 856750), (23, 819500), (25, 753940), (44, 428375), (46, 409750), (50, 376970), (55, 342700), (92, 204875), (100, 188485), (110, 171350), (115, 163900), (125, 150788), (149, 126500), (220, 85675), (230, 81950), (250, 75394), (253, 74500), (275, 68540), (298, 63250), (460, 40975), (500, 37697), (506, 37250), (550, 34270), (575, 32780), (596, 31625), (745, 25300), (1012, 18625), (1100, 17135), (1150, 16390), (1265, 14900), (1375, 13708), (1490, 12650), (1639, 11500), (2300, 8195), (2530, 7450), (2750, 6854), (2875, 6556), (2980, 6325), (3278, 5750), (3427, 5500), (3725, 5060)]