219403868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 413280000

約数和(自身を除く): 193876132

約数列:

[1, 2, 4, 19, 38, 76, 89, 163, 178, 199, 326, 356, 398, 652, 796, 1691, 3097, 3382, 3781, 6194, 6764, 7562, 12388, 14507, 15124, 17711, 29014, 32437, 35422, 58028, 64874, 70844, 129748, 275633, 336509, 551266, 616303, 673018, 1102532, 1232606, 1346036, 2465212, 2886893, 5773786, 11547572, 54850967, 109701934, 219403868]

約数ペア:

[(1, 219403868), (2, 109701934), (4, 54850967), (19, 11547572), (38, 5773786), (76, 2886893), (89, 2465212), (163, 1346036), (178, 1232606), (199, 1102532), (326, 673018), (356, 616303), (398, 551266), (652, 336509), (796, 275633), (1691, 129748), (3097, 70844), (3382, 64874), (3781, 58028), (6194, 35422), (6764, 32437), (7562, 29014), (12388, 17711), (14507, 15124)]