18888909677

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 22618552320

約数和(自身を除く): 3729642643

約数列:

[1, 11, 29, 31, 61, 173, 181, 319, 341, 671, 899, 1769, 1891, 1903, 1991, 5017, 5249, 5363, 5611, 9889, 10553, 11041, 19459, 20801, 31313, 54839, 55187, 57739, 58993, 61721, 116083, 121451, 155527, 162719, 306037, 320189, 327143, 342271, 344443, 603229, 908077, 970703, 1710797, 1789909, 1910093, 3366407, 3522079, 3598573, 3764981, 9487147, 9925859, 9988847, 10677733, 21011023, 28150387, 55392697, 59212883, 104358617, 109184449, 309654257, 609319667, 651341713, 1717173607, 18888909677]

約数ペア:

[(1, 18888909677), (11, 1717173607), (29, 651341713), (31, 609319667), (61, 309654257), (173, 109184449), (181, 104358617), (319, 59212883), (341, 55392697), (671, 28150387), (899, 21011023), (1769, 10677733), (1891, 9988847), (1903, 9925859), (1991, 9487147), (5017, 3764981), (5249, 3598573), (5363, 3522079), (5611, 3366407), (9889, 1910093), (10553, 1789909), (11041, 1710797), (19459, 970703), (20801, 908077), (31313, 603229), (54839, 344443), (55187, 342271), (57739, 327143), (58993, 320189), (61721, 306037), (116083, 162719), (121451, 155527)]