18987432

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{7681}}^1$

素因数の和:7793

約数の個数: 32

約数和(自身を含む): 47935680

約数和(自身を除く): 28948248

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 7681, 15362, 23043, 30724, 46086, 61448, 92172, 184344, 791143, 1582286, 2373429, 3164572, 4746858, 6329144, 9493716, 18987432]

約数ペア:

[(1, 18987432), (2, 9493716), (3, 6329144), (4, 4746858), (6, 3164572), (8, 2373429), (12, 1582286), (24, 791143), (103, 184344), (206, 92172), (309, 61448), (412, 46086), (618, 30724), (824, 23043), (1236, 15362), (2472, 7681)]