19502769

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{269}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 11342031

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 269, 429, 507, 807, 1859, 2197, 2959, 3497, 5577, 6591, 8877, 10491, 24167, 38467, 45461, 72501, 115401, 136383, 500071, 590993, 1500213, 1772979, 6500923, 19502769]

約数ペア:

[(1, 19502769), (3, 6500923), (11, 1772979), (13, 1500213), (33, 590993), (39, 500071), (143, 136383), (169, 115401), (269, 72501), (429, 45461), (507, 38467), (807, 24167), (1859, 10491), (2197, 8877), (2959, 6591), (3497, 5577)]