19284902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 39481344

約数和(自身を除く): 20196442

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 46, 91, 119, 161, 182, 221, 238, 271, 299, 322, 391, 442, 542, 598, 782, 1547, 1897, 2093, 2737, 3094, 3523, 3794, 4186, 4607, 5083, 5474, 6233, 7046, 9214, 10166, 12466, 24661, 32249, 35581, 43631, 49322, 59891, 64498, 71162, 81029, 87262, 105961, 119782, 162058, 211922, 419237, 567203, 741727, 838474, 1134406, 1377493, 1483454, 2754986, 9642451, 19284902]

約数ペア:

[(1, 19284902), (2, 9642451), (7, 2754986), (13, 1483454), (14, 1377493), (17, 1134406), (23, 838474), (26, 741727), (34, 567203), (46, 419237), (91, 211922), (119, 162058), (161, 119782), (182, 105961), (221, 87262), (238, 81029), (271, 71162), (299, 64498), (322, 59891), (391, 49322), (442, 43631), (542, 35581), (598, 32249), (782, 24661), (1547, 12466), (1897, 10166), (2093, 9214), (2737, 7046), (3094, 6233), (3523, 5474), (3794, 5083), (4186, 4607)]