20238967181

素因数分解:

${\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 22694091264

約数和(自身を除く): 2455124083

約数列:

[1, 19, 37, 47, 103, 313, 361, 703, 893, 1739, 1957, 3811, 4841, 5947, 11581, 13357, 14711, 16967, 32239, 33041, 37183, 72409, 91979, 112993, 179117, 220039, 279509, 544307, 612541, 627779, 1192843, 1375771, 1515233, 1747601, 3403223, 4180741, 5310671, 10341833, 11638279, 22664017, 28789427, 56063621, 64661237, 196494827, 430616323, 546999113, 1065208799, 20238967181]

約数ペア:

[(1, 20238967181), (19, 1065208799), (37, 546999113), (47, 430616323), (103, 196494827), (313, 64661237), (361, 56063621), (703, 28789427), (893, 22664017), (1739, 11638279), (1957, 10341833), (3811, 5310671), (4841, 4180741), (5947, 3403223), (11581, 1747601), (13357, 1515233), (14711, 1375771), (16967, 1192843), (32239, 627779), (33041, 612541), (37183, 544307), (72409, 279509), (91979, 220039), (112993, 179117)]