19042065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 38378496

約数和(自身を除く): 19336431

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 991, 1281, 2135, 2745, 2973, 3843, 4955, 6405, 6937, 8919, 14865, 19215, 20811, 34685, 44595, 60451, 62433, 104055, 181353, 302255, 312165, 423157, 544059, 906765, 1269471, 2115785, 2720295, 3808413, 6347355, 19042065]

約数ペア:

[(1, 19042065), (3, 6347355), (5, 3808413), (7, 2720295), (9, 2115785), (15, 1269471), (21, 906765), (35, 544059), (45, 423157), (61, 312165), (63, 302255), (105, 181353), (183, 104055), (305, 62433), (315, 60451), (427, 44595), (549, 34685), (915, 20811), (991, 19215), (1281, 14865), (2135, 8919), (2745, 6937), (2973, 6405), (3843, 4955)]