19717506

素因数分解:

$2^1\times 3^5\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1445

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 26146494

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 243, 261, 486, 522, 783, 1399, 1566, 2349, 2798, 4197, 4698, 7047, 8394, 12591, 14094, 25182, 37773, 40571, 75546, 81142, 113319, 121713, 226638, 243426, 339957, 365139, 679914, 730278, 1095417, 2190834, 3286251, 6572502, 9858753, 19717506]

約数ペア:

[(1, 19717506), (2, 9858753), (3, 6572502), (6, 3286251), (9, 2190834), (18, 1095417), (27, 730278), (29, 679914), (54, 365139), (58, 339957), (81, 243426), (87, 226638), (162, 121713), (174, 113319), (243, 81142), (261, 75546), (486, 40571), (522, 37773), (783, 25182), (1399, 14094), (1566, 12591), (2349, 8394), (2798, 7047), (4197, 4698)]