19148948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 42599424

約数和(自身を除く): 23450476

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1697, 2821, 3394, 5642, 6788, 11284, 11879, 22061, 23758, 44122, 47516, 52607, 88244, 105214, 154427, 210428, 308854, 368249, 617708, 683891, 736498, 1367782, 1472996, 2735564, 4787237, 9574474, 19148948]

約数ペア:

[(1, 19148948), (2, 9574474), (4, 4787237), (7, 2735564), (13, 1472996), (14, 1367782), (26, 736498), (28, 683891), (31, 617708), (52, 368249), (62, 308854), (91, 210428), (124, 154427), (182, 105214), (217, 88244), (364, 52607), (403, 47516), (434, 44122), (806, 23758), (868, 22061), (1612, 11879), (1697, 11284), (2821, 6788), (3394, 5642)]