19912320747

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{22937}}^1$

素因数の和:23073

約数の個数: 64

約数和(自身を含む): 33471129600

約数和(自身を除く): 13558808853

約数列:

[1, 3, 9, 11, 27, 33, 37, 79, 99, 111, 237, 297, 333, 407, 711, 869, 999, 1221, 2133, 2607, 2923, 3663, 7821, 8769, 10989, 22937, 23463, 26307, 32153, 68811, 78921, 96459, 206433, 252307, 289377, 619299, 756921, 848669, 868131, 1812023, 2270763, 2546007, 5436069, 6812289, 7638021, 9335359, 16308207, 19932253, 22914063, 28006077, 48924621, 59796759, 67044851, 84018231, 179390277, 201134553, 252054693, 538170831, 603403659, 737493361, 1810210977, 2212480083, 6637440249, 19912320747]

約数ペア:

[(1, 19912320747), (3, 6637440249), (9, 2212480083), (11, 1810210977), (27, 737493361), (33, 603403659), (37, 538170831), (79, 252054693), (99, 201134553), (111, 179390277), (237, 84018231), (297, 67044851), (333, 59796759), (407, 48924621), (711, 28006077), (869, 22914063), (999, 19932253), (1221, 16308207), (2133, 9335359), (2607, 7638021), (2923, 6812289), (3663, 5436069), (7821, 2546007), (8769, 2270763), (10989, 1812023), (22937, 868131), (23463, 848669), (26307, 756921), (32153, 619299), (68811, 289377), (78921, 252307), (96459, 206433)]