18678330

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 57369600

約数和(自身を除く): 38691270

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 90, 95, 99, 110, 114, 135, 165, 171, 190, 198, 209, 270, 285, 297, 330, 331, 342, 418, 495, 513, 570, 594, 627, 662, 855, 990, 993, 1026, 1045, 1254, 1485, 1655, 1710, 1881, 1986, 2090, 2565, 2970, 2979, 3135, 3310, 3641, 3762, 4965, 5130, 5643, 5958, 6270, 6289, 7282, 8937, 9405, 9930, 10923, 11286, 12578, 14895, 17874, 18205, 18810, 18867, 21846, 28215, 29790, 31445, 32769, 36410, 37734, 44685, 54615, 56430, 56601, 62890, 65538, 69179, 89370, 94335, 98307, 109230, 113202, 138358, 163845, 169803, 188670, 196614, 207537, 283005, 327690, 339606, 345895, 415074, 491535, 566010, 622611, 691790, 849015, 983070, 1037685, 1245222, 1698030, 1867833, 2075370, 3113055, 3735666, 6226110, 9339165, 18678330]

約数ペア:

[(1, 18678330), (2, 9339165), (3, 6226110), (5, 3735666), (6, 3113055), (9, 2075370), (10, 1867833), (11, 1698030), (15, 1245222), (18, 1037685), (19, 983070), (22, 849015), (27, 691790), (30, 622611), (33, 566010), (38, 491535), (45, 415074), (54, 345895), (55, 339606), (57, 327690), (66, 283005), (90, 207537), (95, 196614), (99, 188670), (110, 169803), (114, 163845), (135, 138358), (165, 113202), (171, 109230), (190, 98307), (198, 94335), (209, 89370), (270, 69179), (285, 65538), (297, 62890), (330, 56601), (331, 56430), (342, 54615), (418, 44685), (495, 37734), (513, 36410), (570, 32769), (594, 31445), (627, 29790), (662, 28215), (855, 21846), (990, 18867), (993, 18810), (1026, 18205), (1045, 17874), (1254, 14895), (1485, 12578), (1655, 11286), (1710, 10923), (1881, 9930), (1986, 9405), (2090, 8937), (2565, 7282), (2970, 6289), (2979, 6270), (3135, 5958), (3310, 5643), (3641, 5130), (3762, 4965)]