19935356

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 44585856

約数和(自身を除く): 24650500

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 49, 62, 68, 98, 119, 124, 193, 196, 217, 238, 386, 434, 476, 527, 772, 833, 868, 1054, 1351, 1519, 1666, 2108, 2702, 3038, 3281, 3332, 3689, 5404, 5983, 6076, 6562, 7378, 9457, 11966, 13124, 14756, 18914, 22967, 23932, 25823, 37828, 41881, 45934, 51646, 83762, 91868, 101711, 103292, 160769, 167524, 203422, 293167, 321538, 406844, 586334, 643076, 711977, 1172668, 1423954, 2847908, 4983839, 9967678, 19935356]

約数ペア:

[(1, 19935356), (2, 9967678), (4, 4983839), (7, 2847908), (14, 1423954), (17, 1172668), (28, 711977), (31, 643076), (34, 586334), (49, 406844), (62, 321538), (68, 293167), (98, 203422), (119, 167524), (124, 160769), (193, 103292), (196, 101711), (217, 91868), (238, 83762), (386, 51646), (434, 45934), (476, 41881), (527, 37828), (772, 25823), (833, 23932), (868, 22967), (1054, 18914), (1351, 14756), (1519, 13124), (1666, 11966), (2108, 9457), (2702, 7378), (3038, 6562), (3281, 6076), (3332, 5983), (3689, 5404)]