19977645

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{367}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 33914880

約数和(自身を除く): 13937235

約数列:

[1, 3, 5, 15, 19, 57, 95, 191, 285, 367, 573, 955, 1101, 1835, 2865, 3629, 5505, 6973, 10887, 18145, 20919, 34865, 54435, 70097, 104595, 210291, 350485, 1051455, 1331843, 3995529, 6659215, 19977645]

約数ペア:

[(1, 19977645), (3, 6659215), (5, 3995529), (15, 1331843), (19, 1051455), (57, 350485), (95, 210291), (191, 104595), (285, 70097), (367, 54435), (573, 34865), (955, 20919), (1101, 18145), (1835, 10887), (2865, 6973), (3629, 5505)]