19317705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 35100864

約数和(自身を除く): 15783159

約数列:

[1, 3, 5, 11, 15, 33, 47, 53, 55, 141, 159, 165, 235, 265, 517, 583, 705, 795, 1551, 1749, 2209, 2491, 2585, 2915, 6627, 7473, 7755, 8745, 11045, 12455, 24299, 27401, 33135, 37365, 72897, 82203, 117077, 121495, 137005, 351231, 364485, 411015, 585385, 1287847, 1756155, 3863541, 6439235, 19317705]

約数ペア:

[(1, 19317705), (3, 6439235), (5, 3863541), (11, 1756155), (15, 1287847), (33, 585385), (47, 411015), (53, 364485), (55, 351231), (141, 137005), (159, 121495), (165, 117077), (235, 82203), (265, 72897), (517, 37365), (583, 33135), (705, 27401), (795, 24299), (1551, 12455), (1749, 11045), (2209, 8745), (2491, 7755), (2585, 7473), (2915, 6627)]