19113549

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 31981824

約数和(自身を除く): 12868275

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 1321, 2067, 3963, 4823, 9247, 14469, 17173, 27741, 51519, 70013, 120211, 210039, 360633, 490091, 910169, 1470273, 2730507, 6371183, 19113549]

約数ペア:

[(1, 19113549), (3, 6371183), (7, 2730507), (13, 1470273), (21, 910169), (39, 490091), (53, 360633), (91, 210039), (159, 120211), (273, 70013), (371, 51519), (689, 27741), (1113, 17173), (1321, 14469), (2067, 9247), (3963, 4823)]