19421545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 28594944

約数和(自身を除く): 9173399

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1181, 1265, 1495, 3289, 5905, 12991, 15353, 16445, 27163, 64955, 76765, 135815, 168883, 298793, 353119, 844415, 1493965, 1765595, 3884309, 19421545]

約数ペア:

[(1, 19421545), (5, 3884309), (11, 1765595), (13, 1493965), (23, 844415), (55, 353119), (65, 298793), (115, 168883), (143, 135815), (253, 76765), (299, 64955), (715, 27163), (1181, 16445), (1265, 15353), (1495, 12991), (3289, 5905)]