18398159344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{134789}}^1$

素因数の和:135265

約数の個数: 40

約数和(自身を含む): 37606410000

約数和(自身を除く): 19208250656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 449, 898, 1796, 3592, 7184, 8531, 17062, 34124, 68248, 134789, 136496, 269578, 539156, 1078312, 2156624, 2560991, 5121982, 10243964, 20487928, 40975856, 60520261, 121040522, 242081044, 484162088, 968324176, 1149884959, 2299769918, 4599539836, 9199079672, 18398159344]

約数ペア:

[(1, 18398159344), (2, 9199079672), (4, 4599539836), (8, 2299769918), (16, 1149884959), (19, 968324176), (38, 484162088), (76, 242081044), (152, 121040522), (304, 60520261), (449, 40975856), (898, 20487928), (1796, 10243964), (3592, 5121982), (7184, 2560991), (8531, 2156624), (17062, 1078312), (34124, 539156), (68248, 269578), (134789, 136496)]