18678990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 51601536

約数和(自身を除く): 32922546

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 107, 110, 115, 138, 165, 214, 230, 253, 321, 330, 345, 506, 529, 535, 642, 690, 759, 1058, 1070, 1177, 1265, 1518, 1587, 1605, 2354, 2461, 2530, 2645, 3174, 3210, 3531, 3795, 4922, 5290, 5819, 5885, 7062, 7383, 7590, 7935, 11638, 11770, 12305, 14766, 15870, 17457, 17655, 24610, 27071, 29095, 34914, 35310, 36915, 54142, 56603, 58190, 73830, 81213, 87285, 113206, 135355, 162426, 169809, 174570, 270710, 283015, 339618, 406065, 566030, 622633, 812130, 849045, 1245266, 1698090, 1867899, 3113165, 3735798, 6226330, 9339495, 18678990]

約数ペア:

[(1, 18678990), (2, 9339495), (3, 6226330), (5, 3735798), (6, 3113165), (10, 1867899), (11, 1698090), (15, 1245266), (22, 849045), (23, 812130), (30, 622633), (33, 566030), (46, 406065), (55, 339618), (66, 283015), (69, 270710), (107, 174570), (110, 169809), (115, 162426), (138, 135355), (165, 113206), (214, 87285), (230, 81213), (253, 73830), (321, 58190), (330, 56603), (345, 54142), (506, 36915), (529, 35310), (535, 34914), (642, 29095), (690, 27071), (759, 24610), (1058, 17655), (1070, 17457), (1177, 15870), (1265, 14766), (1518, 12305), (1587, 11770), (1605, 11638), (2354, 7935), (2461, 7590), (2530, 7383), (2645, 7062), (3174, 5885), (3210, 5819), (3531, 5290), (3795, 4922)]