19412380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 24828740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 379, 394, 758, 788, 985, 1516, 1895, 1970, 2561, 3790, 3940, 4927, 5122, 7580, 9854, 10244, 12805, 19708, 24635, 25610, 49270, 51220, 74663, 98540, 149326, 298652, 373315, 746630, 970619, 1493260, 1941238, 3882476, 4853095, 9706190, 19412380]

約数ペア:

[(1, 19412380), (2, 9706190), (4, 4853095), (5, 3882476), (10, 1941238), (13, 1493260), (20, 970619), (26, 746630), (52, 373315), (65, 298652), (130, 149326), (197, 98540), (260, 74663), (379, 51220), (394, 49270), (758, 25610), (788, 24635), (985, 19708), (1516, 12805), (1895, 10244), (1970, 9854), (2561, 7580), (3790, 5122), (3940, 4927)]