19015040015

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{20753}}^1$

素因数の和:20947

約数の個数: 32

約数和(自身を含む): 24207465600

約数和(自身を除く): 5192425585

約数列:

[1, 5, 29, 71, 89, 145, 355, 445, 2059, 2581, 6319, 10295, 12905, 20753, 31595, 103765, 183251, 601837, 916255, 1473463, 1847017, 3009185, 7367315, 9235085, 42730427, 53563493, 131138207, 213652135, 267817465, 655691035, 3803008003, 19015040015]

約数ペア:

[(1, 19015040015), (5, 3803008003), (29, 655691035), (71, 267817465), (89, 213652135), (145, 131138207), (355, 53563493), (445, 42730427), (2059, 9235085), (2581, 7367315), (6319, 3009185), (10295, 1847017), (12905, 1473463), (20753, 916255), (31595, 601837), (103765, 183251)]