19837136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{419}}^1$

素因数の和:707

約数の個数: 40

約数和(自身を含む): 42184800

約数和(自身を除く): 22347664

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 269, 419, 538, 838, 1076, 1676, 2152, 2959, 3352, 4304, 4609, 5918, 6704, 9218, 11836, 18436, 23672, 36872, 47344, 73744, 112711, 225422, 450844, 901688, 1239821, 1803376, 2479642, 4959284, 9918568, 19837136]

約数ペア:

[(1, 19837136), (2, 9918568), (4, 4959284), (8, 2479642), (11, 1803376), (16, 1239821), (22, 901688), (44, 450844), (88, 225422), (176, 112711), (269, 73744), (419, 47344), (538, 36872), (838, 23672), (1076, 18436), (1676, 11836), (2152, 9218), (2959, 6704), (3352, 5918), (4304, 4609)]