19838179599

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{971}}^1$

素因数の和:1472

約数の個数: 64

約数和(自身を含む): 31587978240

約数和(自身を除く): 11749798641

約数列:

[1, 3, 7, 21, 41, 61, 123, 183, 287, 389, 427, 861, 971, 1167, 1281, 2501, 2723, 2913, 6797, 7503, 8169, 15949, 17507, 20391, 23729, 39811, 47847, 52521, 59231, 71187, 111643, 119433, 166103, 177693, 278677, 334929, 377719, 414617, 498309, 836031, 972889, 1133157, 1243851, 2428471, 2644033, 2918667, 6810223, 7285413, 7932099, 15486479, 16999297, 20430669, 23040859, 46459437, 50997891, 69122577, 108405353, 161286013, 325216059, 483858039, 944675219, 2834025657, 6612726533, 19838179599]

約数ペア:

[(1, 19838179599), (3, 6612726533), (7, 2834025657), (21, 944675219), (41, 483858039), (61, 325216059), (123, 161286013), (183, 108405353), (287, 69122577), (389, 50997891), (427, 46459437), (861, 23040859), (971, 20430669), (1167, 16999297), (1281, 15486479), (2501, 7932099), (2723, 7285413), (2913, 6810223), (6797, 2918667), (7503, 2644033), (8169, 2428471), (15949, 1243851), (17507, 1133157), (20391, 972889), (23729, 836031), (39811, 498309), (47847, 414617), (52521, 377719), (59231, 334929), (71187, 278677), (111643, 177693), (119433, 166103)]