19165185

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^2$

素因数の和:386

約数の個数: 36

約数和(自身を含む): 35973756

約数和(自身を除く): 16808571

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 181, 195, 543, 585, 905, 1629, 2353, 2715, 7059, 8145, 11765, 21177, 32761, 35295, 98283, 105885, 163805, 294849, 425893, 491415, 1277679, 1474245, 2129465, 3833037, 6388395, 19165185]

約数ペア:

[(1, 19165185), (3, 6388395), (5, 3833037), (9, 2129465), (13, 1474245), (15, 1277679), (39, 491415), (45, 425893), (65, 294849), (117, 163805), (181, 105885), (195, 98283), (543, 35295), (585, 32761), (905, 21177), (1629, 11765), (2353, 8145), (2715, 7059)]