19723851

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 33843200

約数和(自身を除く): 14119349

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1321, 1659, 2133, 3963, 4977, 9247, 11889, 14931, 27741, 35667, 83223, 104359, 249669, 313077, 730513, 939231, 2191539, 2817693, 6574617, 19723851]

約数ペア:

[(1, 19723851), (3, 6574617), (7, 2817693), (9, 2191539), (21, 939231), (27, 730513), (63, 313077), (79, 249669), (189, 104359), (237, 83223), (553, 35667), (711, 27741), (1321, 14931), (1659, 11889), (2133, 9247), (3963, 4977)]