18870852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1609

約数の個数: 96

約数和(自身を含む): 59157504

約数和(自身を除く): 40286652

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1571, 1716, 2002, 3003, 3142, 4004, 4713, 6006, 6284, 9426, 10997, 12012, 17281, 18852, 20423, 21994, 32991, 34562, 40846, 43988, 51843, 61269, 65982, 69124, 81692, 103686, 120967, 122538, 131964, 142961, 207372, 224653, 241934, 245076, 285922, 362901, 428883, 449306, 483868, 571844, 673959, 725802, 857766, 898612, 1347918, 1451604, 1572571, 1715532, 2695836, 3145142, 4717713, 6290284, 9435426, 18870852]

約数ペア:

[(1, 18870852), (2, 9435426), (3, 6290284), (4, 4717713), (6, 3145142), (7, 2695836), (11, 1715532), (12, 1572571), (13, 1451604), (14, 1347918), (21, 898612), (22, 857766), (26, 725802), (28, 673959), (33, 571844), (39, 483868), (42, 449306), (44, 428883), (52, 362901), (66, 285922), (77, 245076), (78, 241934), (84, 224653), (91, 207372), (132, 142961), (143, 131964), (154, 122538), (156, 120967), (182, 103686), (231, 81692), (273, 69124), (286, 65982), (308, 61269), (364, 51843), (429, 43988), (462, 40846), (546, 34562), (572, 32991), (858, 21994), (924, 20423), (1001, 18852), (1092, 17281), (1571, 12012), (1716, 10997), (2002, 9426), (3003, 6284), (3142, 6006), (4004, 4713)]