19746535

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 6795545

約数列:

[1, 5, 23, 29, 31, 115, 145, 155, 191, 667, 713, 899, 955, 3335, 3565, 4393, 4495, 5539, 5921, 20677, 21965, 27695, 29605, 103385, 127397, 136183, 171709, 636985, 680915, 858545, 3949307, 19746535]

約数ペア:

[(1, 19746535), (5, 3949307), (23, 858545), (29, 680915), (31, 636985), (115, 171709), (145, 136183), (155, 127397), (191, 103385), (667, 29605), (713, 27695), (899, 21965), (955, 20677), (3335, 5921), (3565, 5539), (4393, 4495)]