19945835

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 10052245

約数列:

[1, 5, 7, 13, 35, 59, 65, 91, 295, 413, 455, 743, 767, 2065, 3715, 3835, 5201, 5369, 9659, 26005, 26845, 43837, 48295, 67613, 219185, 306859, 338065, 569881, 1534295, 2849405, 3989167, 19945835]

約数ペア:

[(1, 19945835), (5, 3989167), (7, 2849405), (13, 1534295), (35, 569881), (59, 338065), (65, 306859), (91, 219185), (295, 67613), (413, 48295), (455, 43837), (743, 26845), (767, 26005), (2065, 9659), (3715, 5369), (3835, 5201)]