18512010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 37889910

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 30, 33, 45, 46, 54, 55, 66, 69, 90, 99, 110, 115, 135, 138, 165, 198, 207, 230, 253, 270, 271, 297, 330, 345, 414, 495, 506, 542, 594, 621, 690, 759, 813, 990, 1035, 1242, 1265, 1355, 1485, 1518, 1626, 2070, 2277, 2439, 2530, 2710, 2970, 2981, 3105, 3795, 4065, 4554, 4878, 5962, 6210, 6233, 6831, 7317, 7590, 8130, 8943, 11385, 12195, 12466, 13662, 14634, 14905, 17886, 18699, 22770, 24390, 26829, 29810, 31165, 34155, 36585, 37398, 44715, 53658, 56097, 62330, 68310, 68563, 73170, 80487, 89430, 93495, 112194, 134145, 137126, 160974, 168291, 186990, 205689, 268290, 280485, 336582, 342815, 402435, 411378, 560970, 617067, 685630, 804870, 841455, 1028445, 1234134, 1682910, 1851201, 2056890, 3085335, 3702402, 6170670, 9256005, 18512010]

約数ペア:

[(1, 18512010), (2, 9256005), (3, 6170670), (5, 3702402), (6, 3085335), (9, 2056890), (10, 1851201), (11, 1682910), (15, 1234134), (18, 1028445), (22, 841455), (23, 804870), (27, 685630), (30, 617067), (33, 560970), (45, 411378), (46, 402435), (54, 342815), (55, 336582), (66, 280485), (69, 268290), (90, 205689), (99, 186990), (110, 168291), (115, 160974), (135, 137126), (138, 134145), (165, 112194), (198, 93495), (207, 89430), (230, 80487), (253, 73170), (270, 68563), (271, 68310), (297, 62330), (330, 56097), (345, 53658), (414, 44715), (495, 37398), (506, 36585), (542, 34155), (594, 31165), (621, 29810), (690, 26829), (759, 24390), (813, 22770), (990, 18699), (1035, 17886), (1242, 14905), (1265, 14634), (1355, 13662), (1485, 12466), (1518, 12195), (1626, 11385), (2070, 8943), (2277, 8130), (2439, 7590), (2530, 7317), (2710, 6831), (2970, 6233), (2981, 6210), (3105, 5962), (3795, 4878), (4065, 4554)]