19913700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1677

約数の個数: 72

約数和(自身を含む): 59058720

約数和(自身を除く): 39145020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 150, 164, 205, 246, 300, 410, 492, 615, 820, 1025, 1230, 1619, 2050, 2460, 3075, 3238, 4100, 4857, 6150, 6476, 8095, 9714, 12300, 16190, 19428, 24285, 32380, 40475, 48570, 66379, 80950, 97140, 121425, 132758, 161900, 199137, 242850, 265516, 331895, 398274, 485700, 663790, 796548, 995685, 1327580, 1659475, 1991370, 3318950, 3982740, 4978425, 6637900, 9956850, 19913700]

約数ペア:

[(1, 19913700), (2, 9956850), (3, 6637900), (4, 4978425), (5, 3982740), (6, 3318950), (10, 1991370), (12, 1659475), (15, 1327580), (20, 995685), (25, 796548), (30, 663790), (41, 485700), (50, 398274), (60, 331895), (75, 265516), (82, 242850), (100, 199137), (123, 161900), (150, 132758), (164, 121425), (205, 97140), (246, 80950), (300, 66379), (410, 48570), (492, 40475), (615, 32380), (820, 24285), (1025, 19428), (1230, 16190), (1619, 12300), (2050, 9714), (2460, 8095), (3075, 6476), (3238, 6150), (4100, 4857)]