19373965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 26943840

約数和(自身を除く): 7569875

約数列:

[1, 5, 13, 17, 65, 85, 89, 197, 221, 445, 985, 1105, 1157, 1513, 2561, 3349, 5785, 7565, 12805, 16745, 17533, 19669, 43537, 87665, 98345, 217685, 227929, 298061, 1139645, 1490305, 3874793, 19373965]

約数ペア:

[(1, 19373965), (5, 3874793), (13, 1490305), (17, 1139645), (65, 298061), (85, 227929), (89, 217685), (197, 98345), (221, 87665), (445, 43537), (985, 19669), (1105, 17533), (1157, 16745), (1513, 12805), (2561, 7565), (3349, 5785)]