18621328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3413}}^1$

素因数の和:3463

約数の個数: 40

約数和(自身を含む): 40640256

約数和(自身を除く): 22018928

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3413, 5456, 6826, 13652, 27304, 37543, 54608, 75086, 105803, 150172, 211606, 300344, 423212, 600688, 846424, 1163833, 1692848, 2327666, 4655332, 9310664, 18621328]

約数ペア:

[(1, 18621328), (2, 9310664), (4, 4655332), (8, 2327666), (11, 1692848), (16, 1163833), (22, 846424), (31, 600688), (44, 423212), (62, 300344), (88, 211606), (124, 150172), (176, 105803), (248, 75086), (341, 54608), (496, 37543), (682, 27304), (1364, 13652), (2728, 6826), (3413, 5456)]