199815894

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 481628160

約数和(自身を除く): 281812266

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 47, 57, 62, 93, 94, 114, 141, 171, 186, 279, 282, 342, 401, 423, 558, 589, 802, 846, 893, 1178, 1203, 1457, 1767, 1786, 2406, 2679, 2914, 3534, 3609, 4371, 5301, 5358, 7218, 7619, 8037, 8742, 10602, 12431, 13113, 15238, 16074, 18847, 22857, 24862, 26226, 27683, 37293, 37694, 45714, 55366, 56541, 68571, 74586, 83049, 111879, 113082, 137142, 166098, 169623, 223758, 236189, 249147, 339246, 358093, 472378, 498294, 584257, 708567, 716186, 1074279, 1168514, 1417134, 1752771, 2125701, 2148558, 3222837, 3505542, 4251402, 5258313, 6445674, 10516626, 11100883, 22201766, 33302649, 66605298, 99907947, 199815894]

約数ペア:

[(1, 199815894), (2, 99907947), (3, 66605298), (6, 33302649), (9, 22201766), (18, 11100883), (19, 10516626), (31, 6445674), (38, 5258313), (47, 4251402), (57, 3505542), (62, 3222837), (93, 2148558), (94, 2125701), (114, 1752771), (141, 1417134), (171, 1168514), (186, 1074279), (279, 716186), (282, 708567), (342, 584257), (401, 498294), (423, 472378), (558, 358093), (589, 339246), (802, 249147), (846, 236189), (893, 223758), (1178, 169623), (1203, 166098), (1457, 137142), (1767, 113082), (1786, 111879), (2406, 83049), (2679, 74586), (2914, 68571), (3534, 56541), (3609, 55366), (4371, 45714), (5301, 37694), (5358, 37293), (7218, 27683), (7619, 26226), (8037, 24862), (8742, 22857), (10602, 18847), (12431, 16074), (13113, 15238)]