18781416

素因数分解:

$2^3\times 3^3\times {\mathrm{86951}}^1$

素因数の和:86966

約数の個数: 32

約数和(自身を含む): 52171200

約数和(自身を除く): 33389784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 86951, 173902, 260853, 347804, 521706, 695608, 782559, 1043412, 1565118, 2086824, 2347677, 3130236, 4695354, 6260472, 9390708, 18781416]

約数ペア:

[(1, 18781416), (2, 9390708), (3, 6260472), (4, 4695354), (6, 3130236), (8, 2347677), (9, 2086824), (12, 1565118), (18, 1043412), (24, 782559), (27, 695608), (36, 521706), (54, 347804), (72, 260853), (108, 173902), (216, 86951)]