19760230

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{823}}^1$

素因数の和:858

約数の個数: 40

約数和(自身を含む): 41544432

約数和(自身を除く): 21784202

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 823, 1646, 1715, 2401, 3430, 4115, 4802, 5761, 8230, 11522, 12005, 24010, 28805, 40327, 57610, 80654, 201635, 282289, 403270, 564578, 1411445, 1976023, 2822890, 3952046, 9880115, 19760230]

約数ペア:

[(1, 19760230), (2, 9880115), (5, 3952046), (7, 2822890), (10, 1976023), (14, 1411445), (35, 564578), (49, 403270), (70, 282289), (98, 201635), (245, 80654), (343, 57610), (490, 40327), (686, 28805), (823, 24010), (1646, 12005), (1715, 11522), (2401, 8230), (3430, 5761), (4115, 4802)]