19618288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1069}}^1$

素因数の和:1145

約数の個数: 40

約数和(自身を含む): 40334720

約数和(自身を除く): 20716432

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1069, 1147, 2138, 2294, 4276, 4588, 8552, 9176, 17104, 18352, 33139, 39553, 66278, 79106, 132556, 158212, 265112, 316424, 530224, 632848, 1226143, 2452286, 4904572, 9809144, 19618288]

約数ペア:

[(1, 19618288), (2, 9809144), (4, 4904572), (8, 2452286), (16, 1226143), (31, 632848), (37, 530224), (62, 316424), (74, 265112), (124, 158212), (148, 132556), (248, 79106), (296, 66278), (496, 39553), (592, 33139), (1069, 18352), (1147, 17104), (2138, 9176), (2294, 8552), (4276, 4588)]