19625931

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 32288256

約数和(自身を除く): 12662325

約数列:

[1, 3, 9, 13, 39, 43, 47, 83, 117, 129, 141, 249, 387, 423, 559, 611, 747, 1079, 1677, 1833, 2021, 3237, 3569, 3901, 5031, 5499, 6063, 9711, 10707, 11703, 18189, 26273, 32121, 35109, 46397, 50713, 78819, 139191, 152139, 167743, 236457, 417573, 456417, 503229, 1509687, 2180659, 6541977, 19625931]

約数ペア:

[(1, 19625931), (3, 6541977), (9, 2180659), (13, 1509687), (39, 503229), (43, 456417), (47, 417573), (83, 236457), (117, 167743), (129, 152139), (141, 139191), (249, 78819), (387, 50713), (423, 46397), (559, 35109), (611, 32121), (747, 26273), (1079, 18189), (1677, 11703), (1833, 10707), (2021, 9711), (3237, 6063), (3569, 5499), (3901, 5031)]