16919500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 42194880

約数和(自身を除く): 25275380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 137, 190, 247, 250, 260, 274, 325, 380, 475, 494, 500, 548, 650, 685, 950, 988, 1235, 1300, 1370, 1625, 1781, 1900, 2375, 2470, 2603, 2740, 3250, 3425, 3562, 4750, 4940, 5206, 6175, 6500, 6850, 7124, 8905, 9500, 10412, 12350, 13015, 13700, 17125, 17810, 24700, 26030, 30875, 33839, 34250, 35620, 44525, 52060, 61750, 65075, 67678, 68500, 89050, 123500, 130150, 135356, 169195, 178100, 222625, 260300, 325375, 338390, 445250, 650750, 676780, 845975, 890500, 1301500, 1691950, 3383900, 4229875, 8459750, 16919500]

約数ペア:

[(1, 16919500), (2, 8459750), (4, 4229875), (5, 3383900), (10, 1691950), (13, 1301500), (19, 890500), (20, 845975), (25, 676780), (26, 650750), (38, 445250), (50, 338390), (52, 325375), (65, 260300), (76, 222625), (95, 178100), (100, 169195), (125, 135356), (130, 130150), (137, 123500), (190, 89050), (247, 68500), (250, 67678), (260, 65075), (274, 61750), (325, 52060), (380, 44525), (475, 35620), (494, 34250), (500, 33839), (548, 30875), (650, 26030), (685, 24700), (950, 17810), (988, 17125), (1235, 13700), (1300, 13015), (1370, 12350), (1625, 10412), (1781, 9500), (1900, 8905), (2375, 7124), (2470, 6850), (2603, 6500), (2740, 6175), (3250, 5206), (3425, 4940), (3562, 4750)]