19937676

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1153}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 51182208

約数和(自身を除く): 31244532

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 131, 132, 262, 393, 524, 786, 1153, 1441, 1572, 2306, 2882, 3459, 4323, 4612, 5764, 6918, 8646, 12683, 13836, 17292, 25366, 38049, 50732, 76098, 151043, 152196, 302086, 453129, 604172, 906258, 1661473, 1812516, 3322946, 4984419, 6645892, 9968838, 19937676]

約数ペア:

[(1, 19937676), (2, 9968838), (3, 6645892), (4, 4984419), (6, 3322946), (11, 1812516), (12, 1661473), (22, 906258), (33, 604172), (44, 453129), (66, 302086), (131, 152196), (132, 151043), (262, 76098), (393, 50732), (524, 38049), (786, 25366), (1153, 17292), (1441, 13836), (1572, 12683), (2306, 8646), (2882, 6918), (3459, 5764), (4323, 4612)]