19947546

素因数分解:

$2^1\times 3^4\times {\mathrm{59}}^1\times {\mathrm{2087}}^1$

素因数の和:2160

約数の個数: 40

約数和(自身を含む): 45476640

約数和(自身を除く): 25529094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 162, 177, 354, 531, 1062, 1593, 2087, 3186, 4174, 4779, 6261, 9558, 12522, 18783, 37566, 56349, 112698, 123133, 169047, 246266, 338094, 369399, 738798, 1108197, 2216394, 3324591, 6649182, 9973773, 19947546]

約数ペア:

[(1, 19947546), (2, 9973773), (3, 6649182), (6, 3324591), (9, 2216394), (18, 1108197), (27, 738798), (54, 369399), (59, 338094), (81, 246266), (118, 169047), (162, 123133), (177, 112698), (354, 56349), (531, 37566), (1062, 18783), (1593, 12522), (2087, 9558), (3186, 6261), (4174, 4779)]