19489605044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{491219}}^1$

素因数の和:491352

約数の個数: 48

約数和(自身を含む): 42362812800

約数和(自身を除く): 22873207756

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 109, 182, 218, 364, 436, 763, 1417, 1526, 2834, 3052, 5668, 9919, 19838, 39676, 491219, 982438, 1964876, 3438533, 6385847, 6877066, 12771694, 13754132, 25543388, 44700929, 53542871, 89401858, 107085742, 178803716, 214171484, 374800097, 696057323, 749600194, 1392114646, 1499200388, 2784229292, 4872401261, 9744802522, 19489605044]

約数ペア:

[(1, 19489605044), (2, 9744802522), (4, 4872401261), (7, 2784229292), (13, 1499200388), (14, 1392114646), (26, 749600194), (28, 696057323), (52, 374800097), (91, 214171484), (109, 178803716), (182, 107085742), (218, 89401858), (364, 53542871), (436, 44700929), (763, 25543388), (1417, 13754132), (1526, 12771694), (2834, 6877066), (3052, 6385847), (5668, 3438533), (9919, 1964876), (19838, 982438), (39676, 491219)]