19932540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4679}}^1$

素因数の和:4762

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 36676740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4679, 9358, 14037, 18716, 23395, 28074, 46790, 56148, 70185, 93580, 140370, 280740, 332209, 664418, 996627, 1328836, 1661045, 1993254, 3322090, 3986508, 4983135, 6644180, 9966270, 19932540]

約数ペア:

[(1, 19932540), (2, 9966270), (3, 6644180), (4, 4983135), (5, 3986508), (6, 3322090), (10, 1993254), (12, 1661045), (15, 1328836), (20, 996627), (30, 664418), (60, 332209), (71, 280740), (142, 140370), (213, 93580), (284, 70185), (355, 56148), (426, 46790), (710, 28074), (852, 23395), (1065, 18716), (1420, 14037), (2130, 9358), (4260, 4679)]