18553638

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 38068992

約数和(自身を除く): 19515354

約数列:

[1, 2, 3, 6, 61, 122, 163, 183, 311, 326, 366, 489, 622, 933, 978, 1866, 9943, 18971, 19886, 29829, 37942, 50693, 56913, 59658, 101386, 113826, 152079, 304158, 3092273, 6184546, 9276819, 18553638]

約数ペア:

[(1, 18553638), (2, 9276819), (3, 6184546), (6, 3092273), (61, 304158), (122, 152079), (163, 113826), (183, 101386), (311, 59658), (326, 56913), (366, 50693), (489, 37942), (622, 29829), (933, 19886), (978, 18971), (1866, 9943)]