19834425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6781}}^1$

素因数の和:6810

約数の個数: 36

約数和(自身を含む): 38264044

約数和(自身を除く): 18429619

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6781, 20343, 33905, 61029, 88153, 101715, 169525, 264459, 305145, 440765, 508575, 793377, 1322295, 1525725, 2203825, 3966885, 6611475, 19834425]

約数ペア:

[(1, 19834425), (3, 6611475), (5, 3966885), (9, 2203825), (13, 1525725), (15, 1322295), (25, 793377), (39, 508575), (45, 440765), (65, 305145), (75, 264459), (117, 169525), (195, 101715), (225, 88153), (325, 61029), (585, 33905), (975, 20343), (2925, 6781)]