19218595

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 27060480

約数和(自身を除く): 7841885

約数列:

[1, 5, 11, 19, 53, 55, 95, 209, 265, 347, 583, 1007, 1045, 1735, 2915, 3817, 5035, 6593, 11077, 18391, 19085, 32965, 55385, 72523, 91955, 202301, 349429, 362615, 1011505, 1747145, 3843719, 19218595]

約数ペア:

[(1, 19218595), (5, 3843719), (11, 1747145), (19, 1011505), (53, 362615), (55, 349429), (95, 202301), (209, 91955), (265, 72523), (347, 55385), (583, 32965), (1007, 19085), (1045, 18391), (1735, 11077), (2915, 6593), (3817, 5035)]