19951695

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 37132992

約数和(自身を除く): 17181297

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 521, 555, 851, 1035, 1563, 1665, 2553, 2605, 4255, 4689, 7659, 7815, 11983, 12765, 19277, 23445, 35949, 38295, 57831, 59915, 96385, 107847, 173493, 179745, 289155, 443371, 539235, 867465, 1330113, 2216855, 3990339, 6650565, 19951695]

約数ペア:

[(1, 19951695), (3, 6650565), (5, 3990339), (9, 2216855), (15, 1330113), (23, 867465), (37, 539235), (45, 443371), (69, 289155), (111, 179745), (115, 173493), (185, 107847), (207, 96385), (333, 59915), (345, 57831), (521, 38295), (555, 35949), (851, 23445), (1035, 19277), (1563, 12765), (1665, 11983), (2553, 7815), (2605, 7659), (4255, 4689)]