18371492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 35747712

約数和(自身を除く): 17376220

約数列:

[1, 2, 4, 17, 34, 43, 61, 68, 86, 103, 122, 172, 206, 244, 412, 731, 1037, 1462, 1751, 2074, 2623, 2924, 3502, 4148, 4429, 5246, 6283, 7004, 8858, 10492, 12566, 17716, 25132, 44591, 75293, 89182, 106811, 150586, 178364, 213622, 270169, 301172, 427244, 540338, 1080676, 4592873, 9185746, 18371492]

約数ペア:

[(1, 18371492), (2, 9185746), (4, 4592873), (17, 1080676), (34, 540338), (43, 427244), (61, 301172), (68, 270169), (86, 213622), (103, 178364), (122, 150586), (172, 106811), (206, 89182), (244, 75293), (412, 44591), (731, 25132), (1037, 17716), (1462, 12566), (1751, 10492), (2074, 8858), (2623, 7004), (2924, 6283), (3502, 5246), (4148, 4429)]