19302801

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 30720000

約数和(自身を除く): 11417199

約数列:

[1, 3, 7, 21, 31, 93, 149, 199, 217, 447, 597, 651, 1043, 1393, 3129, 4179, 4619, 6169, 13857, 18507, 29651, 32333, 43183, 88953, 96999, 129549, 207557, 622671, 919181, 2757543, 6434267, 19302801]

約数ペア:

[(1, 19302801), (3, 6434267), (7, 2757543), (21, 919181), (31, 622671), (93, 207557), (149, 129549), (199, 96999), (217, 88953), (447, 43183), (597, 32333), (651, 29651), (1043, 18507), (1393, 13857), (3129, 6169), (4179, 4619)]