19123965

素因数分解:

$3^3\times 5^1\times 7^4\times {\mathrm{59}}^1$

素因数の和:101

約数の個数: 80

約数和(自身を含む): 40334400

約数和(自身を除く): 21210435

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 59, 63, 105, 135, 147, 177, 189, 245, 295, 315, 343, 413, 441, 531, 735, 885, 945, 1029, 1239, 1323, 1593, 1715, 2065, 2205, 2401, 2655, 2891, 3087, 3717, 5145, 6195, 6615, 7203, 7965, 8673, 9261, 11151, 12005, 14455, 15435, 18585, 20237, 21609, 26019, 36015, 43365, 46305, 55755, 60711, 64827, 78057, 101185, 108045, 130095, 141659, 182133, 303555, 324135, 390285, 424977, 546399, 708295, 910665, 1274931, 2124885, 2731995, 3824793, 6374655, 19123965]

約数ペア:

[(1, 19123965), (3, 6374655), (5, 3824793), (7, 2731995), (9, 2124885), (15, 1274931), (21, 910665), (27, 708295), (35, 546399), (45, 424977), (49, 390285), (59, 324135), (63, 303555), (105, 182133), (135, 141659), (147, 130095), (177, 108045), (189, 101185), (245, 78057), (295, 64827), (315, 60711), (343, 55755), (413, 46305), (441, 43365), (531, 36015), (735, 26019), (885, 21609), (945, 20237), (1029, 18585), (1239, 15435), (1323, 14455), (1593, 12005), (1715, 11151), (2065, 9261), (2205, 8673), (2401, 7965), (2655, 7203), (2891, 6615), (3087, 6195), (3717, 5145)]