18985428

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1$

素因数の和:795

約数の個数: 120

約数和(自身を含む): 61959744

約数和(自身を除く): 42974316

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 252, 297, 308, 324, 378, 396, 462, 567, 594, 693, 756, 761, 891, 924, 1134, 1188, 1386, 1522, 1782, 2079, 2268, 2283, 2772, 3044, 3564, 4158, 4566, 5327, 6237, 6849, 8316, 8371, 9132, 10654, 12474, 13698, 15981, 16742, 20547, 21308, 24948, 25113, 27396, 31962, 33484, 41094, 47943, 50226, 58597, 61641, 63924, 75339, 82188, 95886, 100452, 117194, 123282, 143829, 150678, 175791, 191772, 226017, 234388, 246564, 287658, 301356, 351582, 431487, 452034, 527373, 575316, 678051, 703164, 862974, 904068, 1054746, 1356102, 1582119, 1725948, 2109492, 2712204, 3164238, 4746357, 6328476, 9492714, 18985428]

約数ペア:

[(1, 18985428), (2, 9492714), (3, 6328476), (4, 4746357), (6, 3164238), (7, 2712204), (9, 2109492), (11, 1725948), (12, 1582119), (14, 1356102), (18, 1054746), (21, 904068), (22, 862974), (27, 703164), (28, 678051), (33, 575316), (36, 527373), (42, 452034), (44, 431487), (54, 351582), (63, 301356), (66, 287658), (77, 246564), (81, 234388), (84, 226017), (99, 191772), (108, 175791), (126, 150678), (132, 143829), (154, 123282), (162, 117194), (189, 100452), (198, 95886), (231, 82188), (252, 75339), (297, 63924), (308, 61641), (324, 58597), (378, 50226), (396, 47943), (462, 41094), (567, 33484), (594, 31962), (693, 27396), (756, 25113), (761, 24948), (891, 21308), (924, 20547), (1134, 16742), (1188, 15981), (1386, 13698), (1522, 12474), (1782, 10654), (2079, 9132), (2268, 8371), (2283, 8316), (2772, 6849), (3044, 6237), (3564, 5327), (4158, 4566)]