18546318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 49520640

約数和(自身を除く): 30974322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 61, 63, 114, 122, 126, 127, 133, 171, 183, 254, 266, 342, 366, 381, 399, 427, 549, 762, 798, 854, 889, 1098, 1143, 1159, 1197, 1281, 1778, 2286, 2318, 2394, 2413, 2562, 2667, 3477, 3843, 4826, 5334, 6954, 7239, 7686, 7747, 8001, 8113, 10431, 14478, 15494, 16002, 16226, 16891, 20862, 21717, 23241, 24339, 33782, 43434, 46482, 48678, 50673, 54229, 69723, 73017, 101346, 108458, 139446, 146034, 147193, 152019, 162687, 294386, 304038, 325374, 441579, 488061, 883158, 976122, 1030351, 1324737, 2060702, 2649474, 3091053, 6182106, 9273159, 18546318]

約数ペア:

[(1, 18546318), (2, 9273159), (3, 6182106), (6, 3091053), (7, 2649474), (9, 2060702), (14, 1324737), (18, 1030351), (19, 976122), (21, 883158), (38, 488061), (42, 441579), (57, 325374), (61, 304038), (63, 294386), (114, 162687), (122, 152019), (126, 147193), (127, 146034), (133, 139446), (171, 108458), (183, 101346), (254, 73017), (266, 69723), (342, 54229), (366, 50673), (381, 48678), (399, 46482), (427, 43434), (549, 33782), (762, 24339), (798, 23241), (854, 21717), (889, 20862), (1098, 16891), (1143, 16226), (1159, 16002), (1197, 15494), (1281, 14478), (1778, 10431), (2286, 8113), (2318, 8001), (2394, 7747), (2413, 7686), (2562, 7239), (2667, 6954), (3477, 5334), (3843, 4826)]