19385556

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 46747008

約数和(自身を除く): 27361452

約数列:

[1, 2, 3, 4, 6, 12, 61, 71, 122, 142, 183, 213, 244, 284, 366, 373, 426, 732, 746, 852, 1119, 1492, 2238, 4331, 4476, 8662, 12993, 17324, 22753, 25986, 26483, 45506, 51972, 52966, 68259, 79449, 91012, 105932, 136518, 158898, 273036, 317796, 1615463, 3230926, 4846389, 6461852, 9692778, 19385556]

約数ペア:

[(1, 19385556), (2, 9692778), (3, 6461852), (4, 4846389), (6, 3230926), (12, 1615463), (61, 317796), (71, 273036), (122, 158898), (142, 136518), (183, 105932), (213, 91012), (244, 79449), (284, 68259), (366, 52966), (373, 51972), (426, 45506), (732, 26483), (746, 25986), (852, 22753), (1119, 17324), (1492, 12993), (2238, 8662), (4331, 4476)]