18980493553455

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{6691}}^1\times {\mathrm{3859483}}^1$

素因数の和:3866196

約数の個数: 48

約数和(自身を含む): 35332248357504

約数和(自身を除く): 16351754804049

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 6691, 20073, 33455, 46837, 100365, 140511, 234185, 327859, 702555, 983577, 1639295, 3859483, 4917885, 11578449, 19297415, 27016381, 57892245, 81049143, 135081905, 189114667, 405245715, 567344001, 945573335, 2836720005, 25823800753, 77471402259, 129119003765, 180766605271, 387357011295, 542299815813, 903833026355, 1265366236897, 2711499079065, 3796098710691, 6326831184485, 18980493553455]

約数ペア:

[(1, 18980493553455), (3, 6326831184485), (5, 3796098710691), (7, 2711499079065), (15, 1265366236897), (21, 903833026355), (35, 542299815813), (49, 387357011295), (105, 180766605271), (147, 129119003765), (245, 77471402259), (735, 25823800753), (6691, 2836720005), (20073, 945573335), (33455, 567344001), (46837, 405245715), (100365, 189114667), (140511, 135081905), (234185, 81049143), (327859, 57892245), (702555, 27016381), (983577, 19297415), (1639295, 11578449), (3859483, 4917885)]