19462495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 26389440

約数和(自身を除く): 6926945

約数列:

[1, 5, 13, 41, 65, 67, 109, 205, 335, 533, 545, 871, 1417, 2665, 2747, 4355, 4469, 7085, 7303, 13735, 22345, 35711, 36515, 58097, 94939, 178555, 290485, 299423, 474695, 1497115, 3892499, 19462495]

約数ペア:

[(1, 19462495), (5, 3892499), (13, 1497115), (41, 474695), (65, 299423), (67, 290485), (109, 178555), (205, 94939), (335, 58097), (533, 36515), (545, 35711), (871, 22345), (1417, 13735), (2665, 7303), (2747, 7085), (4355, 4469)]