18472788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 49795200

約数和(自身を除く): 31322412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 113, 114, 171, 226, 228, 239, 339, 342, 452, 478, 678, 684, 717, 956, 1017, 1356, 1434, 2034, 2147, 2151, 2868, 4068, 4294, 4302, 4541, 6441, 8588, 8604, 9082, 12882, 13623, 18164, 19323, 25764, 27007, 27246, 38646, 40869, 54014, 54492, 77292, 81021, 81738, 108028, 162042, 163476, 243063, 324084, 486126, 513133, 972252, 1026266, 1539399, 2052532, 3078798, 4618197, 6157596, 9236394, 18472788]

約数ペア:

[(1, 18472788), (2, 9236394), (3, 6157596), (4, 4618197), (6, 3078798), (9, 2052532), (12, 1539399), (18, 1026266), (19, 972252), (36, 513133), (38, 486126), (57, 324084), (76, 243063), (113, 163476), (114, 162042), (171, 108028), (226, 81738), (228, 81021), (239, 77292), (339, 54492), (342, 54014), (452, 40869), (478, 38646), (678, 27246), (684, 27007), (717, 25764), (956, 19323), (1017, 18164), (1356, 13623), (1434, 12882), (2034, 9082), (2147, 8604), (2151, 8588), (2868, 6441), (4068, 4541), (4294, 4302)]