19401768

素因数分解:

$2^3\times 3^4\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 55176000

約数和(自身を除く): 35774232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 81, 108, 158, 162, 216, 237, 316, 324, 379, 474, 632, 648, 711, 758, 948, 1137, 1422, 1516, 1896, 2133, 2274, 2844, 3032, 3411, 4266, 4548, 5688, 6399, 6822, 8532, 9096, 10233, 12798, 13644, 17064, 20466, 25596, 27288, 29941, 30699, 40932, 51192, 59882, 61398, 81864, 89823, 119764, 122796, 179646, 239528, 245592, 269469, 359292, 538938, 718584, 808407, 1077876, 1616814, 2155752, 2425221, 3233628, 4850442, 6467256, 9700884, 19401768]

約数ペア:

[(1, 19401768), (2, 9700884), (3, 6467256), (4, 4850442), (6, 3233628), (8, 2425221), (9, 2155752), (12, 1616814), (18, 1077876), (24, 808407), (27, 718584), (36, 538938), (54, 359292), (72, 269469), (79, 245592), (81, 239528), (108, 179646), (158, 122796), (162, 119764), (216, 89823), (237, 81864), (316, 61398), (324, 59882), (379, 51192), (474, 40932), (632, 30699), (648, 29941), (711, 27288), (758, 25596), (948, 20466), (1137, 17064), (1422, 13644), (1516, 12798), (1896, 10233), (2133, 9096), (2274, 8532), (2844, 6822), (3032, 6399), (3411, 5688), (4266, 4548)]