19513977

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 32182272

約数和(自身を除く): 12668295

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1163, 2397, 3489, 5593, 8141, 16779, 19771, 24423, 54661, 59313, 138397, 163983, 382627, 415191, 929237, 1147881, 2787711, 6504659, 19513977]

約数ペア:

[(1, 19513977), (3, 6504659), (7, 2787711), (17, 1147881), (21, 929237), (47, 415191), (51, 382627), (119, 163983), (141, 138397), (329, 59313), (357, 54661), (799, 24423), (987, 19771), (1163, 16779), (2397, 8141), (3489, 5593)]