19847289

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{569}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 33269760

約数和(自身を除く): 13422471

約数列:

[1, 3, 7, 11, 21, 33, 77, 151, 231, 453, 569, 1057, 1661, 1707, 3171, 3983, 4983, 6259, 11627, 11949, 18777, 34881, 43813, 85919, 131439, 257757, 601433, 945109, 1804299, 2835327, 6615763, 19847289]

約数ペア:

[(1, 19847289), (3, 6615763), (7, 2835327), (11, 1804299), (21, 945109), (33, 601433), (77, 257757), (151, 131439), (231, 85919), (453, 43813), (569, 34881), (1057, 18777), (1661, 11949), (1707, 11627), (3171, 6259), (3983, 4983)]