19353789

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7877}}^1$

素因数の和:7906

約数の個数: 32

約数和(自身を含む): 35293440

約数和(自身を除く): 15939651

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7877, 23631, 55139, 70893, 102401, 165417, 212679, 307203, 496251, 716807, 921609, 1488753, 2150421, 2764827, 6451263, 19353789]

約数ペア:

[(1, 19353789), (3, 6451263), (7, 2764827), (9, 2150421), (13, 1488753), (21, 921609), (27, 716807), (39, 496251), (63, 307203), (91, 212679), (117, 165417), (189, 102401), (273, 70893), (351, 55139), (819, 23631), (2457, 7877)]