19173063

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 32686080

約数和(自身を除く): 13513017

約数列:

[1, 3, 7, 13, 21, 39, 49, 79, 91, 127, 147, 237, 273, 381, 553, 637, 889, 1027, 1651, 1659, 1911, 2667, 3081, 3871, 4953, 6223, 7189, 10033, 11557, 11613, 18669, 21567, 30099, 34671, 50323, 70231, 80899, 130429, 150969, 210693, 242697, 391287, 491617, 913003, 1474851, 2739009, 6391021, 19173063]

約数ペア:

[(1, 19173063), (3, 6391021), (7, 2739009), (13, 1474851), (21, 913003), (39, 491617), (49, 391287), (79, 242697), (91, 210693), (127, 150969), (147, 130429), (237, 80899), (273, 70231), (381, 50323), (553, 34671), (637, 30099), (889, 21567), (1027, 18669), (1651, 11613), (1659, 11557), (1911, 10033), (2667, 7189), (3081, 6223), (3871, 4953)]