19909044

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2221}}^1$

素因数の和:2317

約数の個数: 48

約数和(自身を含む): 52261440

約数和(自身を除く): 32352396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 747, 996, 1494, 2221, 2241, 2988, 4442, 4482, 6663, 8884, 8964, 13326, 19989, 26652, 39978, 59967, 79956, 119934, 184343, 239868, 368686, 553029, 737372, 1106058, 1659087, 2212116, 3318174, 4977261, 6636348, 9954522, 19909044]

約数ペア:

[(1, 19909044), (2, 9954522), (3, 6636348), (4, 4977261), (6, 3318174), (9, 2212116), (12, 1659087), (18, 1106058), (27, 737372), (36, 553029), (54, 368686), (83, 239868), (108, 184343), (166, 119934), (249, 79956), (332, 59967), (498, 39978), (747, 26652), (996, 19989), (1494, 13326), (2221, 8964), (2241, 8884), (2988, 6663), (4442, 4482)]