19828818

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1631

約数の個数: 48

約数和(自身を含む): 46475520

約数和(自身を除く): 26646702

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 1567, 2109, 3134, 4218, 4701, 6327, 9402, 12654, 14103, 28206, 29773, 57979, 59546, 89319, 115958, 173937, 178638, 267957, 347874, 521811, 535914, 1043622, 1101601, 2203202, 3304803, 6609606, 9914409, 19828818]

約数ペア:

[(1, 19828818), (2, 9914409), (3, 6609606), (6, 3304803), (9, 2203202), (18, 1101601), (19, 1043622), (37, 535914), (38, 521811), (57, 347874), (74, 267957), (111, 178638), (114, 173937), (171, 115958), (222, 89319), (333, 59546), (342, 57979), (666, 29773), (703, 28206), (1406, 14103), (1567, 12654), (2109, 9402), (3134, 6327), (4218, 4701)]