19074237

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 31637760

約数和(自身を除く): 12563523

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 641, 763, 1417, 1923, 2289, 4251, 4487, 8333, 9919, 13461, 24999, 29757, 58331, 69869, 174993, 209607, 489083, 908297, 1467249, 2724891, 6358079, 19074237]

約数ペア:

[(1, 19074237), (3, 6358079), (7, 2724891), (13, 1467249), (21, 908297), (39, 489083), (91, 209607), (109, 174993), (273, 69869), (327, 58331), (641, 29757), (763, 24999), (1417, 13461), (1923, 9919), (2289, 8333), (4251, 4487)]