18123644

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 41989248

約数和(自身を除く): 23865604

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 163, 209, 266, 308, 326, 361, 418, 532, 652, 722, 836, 1141, 1444, 1463, 1793, 2282, 2527, 2926, 3097, 3586, 3971, 4564, 5054, 5852, 6194, 7172, 7942, 10108, 12388, 12551, 15884, 21679, 25102, 27797, 34067, 43358, 50204, 55594, 58843, 68134, 86716, 111188, 117686, 136268, 235372, 238469, 411901, 476938, 647273, 823802, 953876, 1294546, 1647604, 2589092, 4530911, 9061822, 18123644]

約数ペア:

[(1, 18123644), (2, 9061822), (4, 4530911), (7, 2589092), (11, 1647604), (14, 1294546), (19, 953876), (22, 823802), (28, 647273), (38, 476938), (44, 411901), (76, 238469), (77, 235372), (133, 136268), (154, 117686), (163, 111188), (209, 86716), (266, 68134), (308, 58843), (326, 55594), (361, 50204), (418, 43358), (532, 34067), (652, 27797), (722, 25102), (836, 21679), (1141, 15884), (1444, 12551), (1463, 12388), (1793, 10108), (2282, 7942), (2527, 7172), (2926, 6194), (3097, 5852), (3586, 5054), (3971, 4564)]