19998627

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 30468096

約数和(自身を除く): 10469469

約数列:

[1, 3, 11, 31, 33, 93, 113, 173, 339, 341, 519, 1023, 1243, 1903, 3503, 3729, 5363, 5709, 10509, 16089, 19549, 38533, 58647, 58993, 115599, 176979, 215039, 606019, 645117, 1818057, 6666209, 19998627]

約数ペア:

[(1, 19998627), (3, 6666209), (11, 1818057), (31, 645117), (33, 606019), (93, 215039), (113, 176979), (173, 115599), (339, 58993), (341, 58647), (519, 38533), (1023, 19549), (1243, 16089), (1903, 10509), (3503, 5709), (3729, 5363)]