20218191878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1\times {\mathrm{6397}}^1$

素因数の和:9132

約数の個数: 32

約数和(自身を含む): 32970685440

約数和(自身を除く): 12752493562

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 2683, 5366, 6397, 12794, 50977, 83173, 101954, 121543, 166346, 198307, 243086, 396614, 1580287, 3160574, 3767833, 7535666, 17163151, 34326302, 326099869, 532057681, 652199738, 1064115362, 10109095939, 20218191878]

約数ペア:

[(1, 20218191878), (2, 10109095939), (19, 1064115362), (31, 652199738), (38, 532057681), (62, 326099869), (589, 34326302), (1178, 17163151), (2683, 7535666), (5366, 3767833), (6397, 3160574), (12794, 1580287), (50977, 396614), (83173, 243086), (101954, 198307), (121543, 166346)]