19886580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5261}}^1$

素因数の和:5286

約数の個数: 96

約数和(自身を含む): 70721280

約数和(自身を除く): 50834700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5261, 10522, 15783, 21044, 26305, 31566, 36827, 47349, 52610, 63132, 73654, 78915, 94698, 105220, 110481, 142047, 147308, 157830, 184135, 189396, 220962, 236745, 284094, 315660, 331443, 368270, 441924, 473490, 552405, 568188, 662886, 710235, 736540, 946980, 994329, 1104810, 1325772, 1420470, 1657215, 1988658, 2209620, 2840940, 3314430, 3977316, 4971645, 6628860, 9943290, 19886580]

約数ペア:

[(1, 19886580), (2, 9943290), (3, 6628860), (4, 4971645), (5, 3977316), (6, 3314430), (7, 2840940), (9, 2209620), (10, 1988658), (12, 1657215), (14, 1420470), (15, 1325772), (18, 1104810), (20, 994329), (21, 946980), (27, 736540), (28, 710235), (30, 662886), (35, 568188), (36, 552405), (42, 473490), (45, 441924), (54, 368270), (60, 331443), (63, 315660), (70, 284094), (84, 236745), (90, 220962), (105, 189396), (108, 184135), (126, 157830), (135, 147308), (140, 142047), (180, 110481), (189, 105220), (210, 94698), (252, 78915), (270, 73654), (315, 63132), (378, 52610), (420, 47349), (540, 36827), (630, 31566), (756, 26305), (945, 21044), (1260, 15783), (1890, 10522), (3780, 5261)]