19102905

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 34456320

約数和(自身を除く): 15353415

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 1993, 3195, 5979, 9585, 9965, 17937, 29895, 53811, 89685, 141503, 269055, 424509, 707515, 1273527, 2122545, 3820581, 6367635, 19102905]

約数ペア:

[(1, 19102905), (3, 6367635), (5, 3820581), (9, 2122545), (15, 1273527), (27, 707515), (45, 424509), (71, 269055), (135, 141503), (213, 89685), (355, 53811), (639, 29895), (1065, 17937), (1917, 9965), (1993, 9585), (3195, 5979)]