18894060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 60374160

約数和(自身を除く): 41480100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 109, 135, 162, 180, 214, 218, 270, 321, 324, 327, 405, 428, 436, 535, 540, 545, 642, 654, 810, 963, 981, 1070, 1090, 1284, 1308, 1605, 1620, 1635, 1926, 1962, 2140, 2180, 2889, 2943, 3210, 3270, 3852, 3924, 4815, 4905, 5778, 5886, 6420, 6540, 8667, 8829, 9630, 9810, 11556, 11663, 11772, 14445, 14715, 17334, 17658, 19260, 19620, 23326, 28890, 29430, 34668, 34989, 35316, 43335, 44145, 46652, 57780, 58315, 58860, 69978, 86670, 88290, 104967, 116630, 139956, 173340, 174945, 176580, 209934, 233260, 314901, 349890, 419868, 524835, 629802, 699780, 944703, 1049670, 1259604, 1574505, 1889406, 2099340, 3149010, 3778812, 4723515, 6298020, 9447030, 18894060]

約数ペア:

[(1, 18894060), (2, 9447030), (3, 6298020), (4, 4723515), (5, 3778812), (6, 3149010), (9, 2099340), (10, 1889406), (12, 1574505), (15, 1259604), (18, 1049670), (20, 944703), (27, 699780), (30, 629802), (36, 524835), (45, 419868), (54, 349890), (60, 314901), (81, 233260), (90, 209934), (107, 176580), (108, 174945), (109, 173340), (135, 139956), (162, 116630), (180, 104967), (214, 88290), (218, 86670), (270, 69978), (321, 58860), (324, 58315), (327, 57780), (405, 46652), (428, 44145), (436, 43335), (535, 35316), (540, 34989), (545, 34668), (642, 29430), (654, 28890), (810, 23326), (963, 19620), (981, 19260), (1070, 17658), (1090, 17334), (1284, 14715), (1308, 14445), (1605, 11772), (1620, 11663), (1635, 11556), (1926, 9810), (1962, 9630), (2140, 8829), (2180, 8667), (2889, 6540), (2943, 6420), (3210, 5886), (3270, 5778), (3852, 4905), (3924, 4815)]