19403007

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 29503488

約数和(自身を除く): 10100481

約数列:

[1, 3, 13, 23, 39, 69, 97, 223, 291, 299, 669, 897, 1261, 2231, 2899, 3783, 5129, 6693, 8697, 15387, 21631, 29003, 64893, 66677, 87009, 200031, 281203, 497513, 843609, 1492539, 6467669, 19403007]

約数ペア:

[(1, 19403007), (3, 6467669), (13, 1492539), (23, 843609), (39, 497513), (69, 281203), (97, 200031), (223, 87009), (291, 66677), (299, 64893), (669, 29003), (897, 21631), (1261, 15387), (2231, 8697), (2899, 6693), (3783, 5129)]