18075992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{569}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 39090600

約数和(自身を除く): 21014608

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 361, 418, 569, 722, 836, 1138, 1444, 1672, 2276, 2888, 3971, 4552, 6259, 7942, 10811, 12518, 15884, 21622, 25036, 31768, 43244, 50072, 86488, 118921, 205409, 237842, 410818, 475684, 821636, 951368, 1643272, 2259499, 4518998, 9037996, 18075992]

約数ペア:

[(1, 18075992), (2, 9037996), (4, 4518998), (8, 2259499), (11, 1643272), (19, 951368), (22, 821636), (38, 475684), (44, 410818), (76, 237842), (88, 205409), (152, 118921), (209, 86488), (361, 50072), (418, 43244), (569, 31768), (722, 25036), (836, 21622), (1138, 15884), (1444, 12518), (1672, 10811), (2276, 7942), (2888, 6259), (3971, 4552)]