18770157

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5227}}^1$

素因数の和:5262

約数の個数: 32

約数和(自身を含む): 33459200

約数和(自身を除く): 14689043

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5227, 15681, 36589, 47043, 99313, 109767, 141129, 297939, 329301, 695191, 893817, 987903, 2085573, 2681451, 6256719, 18770157]

約数ペア:

[(1, 18770157), (3, 6256719), (7, 2681451), (9, 2085573), (19, 987903), (21, 893817), (27, 695191), (57, 329301), (63, 297939), (133, 141129), (171, 109767), (189, 99313), (399, 47043), (513, 36589), (1197, 15681), (3591, 5227)]