18711067140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{246913}}^1$

素因数の和:247349

約数の個数: 72

約数和(自身を含む): 56891948568

約数和(自身を除く): 38180881428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1263, 1684, 2105, 2526, 3789, 4210, 5052, 6315, 7578, 8420, 12630, 15156, 18945, 25260, 37890, 75780, 246913, 493826, 740739, 987652, 1234565, 1481478, 2222217, 2469130, 2962956, 3703695, 4444434, 4938260, 7407390, 8888868, 11111085, 14814780, 22222170, 44444340, 103950373, 207900746, 311851119, 415801492, 519751865, 623702238, 935553357, 1039503730, 1247404476, 1559255595, 1871106714, 2079007460, 3118511190, 3742213428, 4677766785, 6237022380, 9355533570, 18711067140]

約数ペア:

[(1, 18711067140), (2, 9355533570), (3, 6237022380), (4, 4677766785), (5, 3742213428), (6, 3118511190), (9, 2079007460), (10, 1871106714), (12, 1559255595), (15, 1247404476), (18, 1039503730), (20, 935553357), (30, 623702238), (36, 519751865), (45, 415801492), (60, 311851119), (90, 207900746), (180, 103950373), (421, 44444340), (842, 22222170), (1263, 14814780), (1684, 11111085), (2105, 8888868), (2526, 7407390), (3789, 4938260), (4210, 4444434), (5052, 3703695), (6315, 2962956), (7578, 2469130), (8420, 2222217), (12630, 1481478), (15156, 1234565), (18945, 987652), (25260, 740739), (37890, 493826), (75780, 246913)]