18885776

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 48981240

約数和(自身を除く): 30095464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 49, 52, 56, 68, 91, 98, 104, 109, 112, 119, 136, 182, 196, 208, 218, 221, 238, 272, 364, 392, 436, 442, 476, 637, 728, 763, 784, 833, 872, 884, 952, 1274, 1417, 1456, 1526, 1547, 1666, 1744, 1768, 1853, 1904, 2548, 2834, 3052, 3094, 3332, 3536, 3706, 5096, 5341, 5668, 6104, 6188, 6664, 7412, 9919, 10192, 10682, 10829, 11336, 12208, 12376, 12971, 13328, 14824, 19838, 21364, 21658, 22672, 24089, 24752, 25942, 29648, 39676, 42728, 43316, 48178, 51884, 69433, 79352, 85456, 86632, 90797, 96356, 103768, 138866, 158704, 168623, 173264, 181594, 192712, 207536, 277732, 337246, 363188, 385424, 555464, 674492, 726376, 1110928, 1180361, 1348984, 1452752, 2360722, 2697968, 4721444, 9442888, 18885776]

約数ペア:

[(1, 18885776), (2, 9442888), (4, 4721444), (7, 2697968), (8, 2360722), (13, 1452752), (14, 1348984), (16, 1180361), (17, 1110928), (26, 726376), (28, 674492), (34, 555464), (49, 385424), (52, 363188), (56, 337246), (68, 277732), (91, 207536), (98, 192712), (104, 181594), (109, 173264), (112, 168623), (119, 158704), (136, 138866), (182, 103768), (196, 96356), (208, 90797), (218, 86632), (221, 85456), (238, 79352), (272, 69433), (364, 51884), (392, 48178), (436, 43316), (442, 42728), (476, 39676), (637, 29648), (728, 25942), (763, 24752), (784, 24089), (833, 22672), (872, 21658), (884, 21364), (952, 19838), (1274, 14824), (1417, 13328), (1456, 12971), (1526, 12376), (1547, 12208), (1666, 11336), (1744, 10829), (1768, 10682), (1853, 10192), (1904, 9919), (2548, 7412), (2834, 6664), (3052, 6188), (3094, 6104), (3332, 5668), (3536, 5341), (3706, 5096)]