18473715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 36009792

約数和(自身を除く): 17536077

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1373, 1495, 2691, 4119, 4485, 6865, 12357, 13455, 17849, 20595, 31579, 53547, 61785, 89245, 94737, 157895, 160641, 267735, 284211, 410527, 473685, 803205, 1231581, 1421055, 2052635, 3694743, 6157905, 18473715]

約数ペア:

[(1, 18473715), (3, 6157905), (5, 3694743), (9, 2052635), (13, 1421055), (15, 1231581), (23, 803205), (39, 473685), (45, 410527), (65, 284211), (69, 267735), (115, 160641), (117, 157895), (195, 94737), (207, 89245), (299, 61785), (345, 53547), (585, 31579), (897, 20595), (1035, 17849), (1373, 13455), (1495, 12357), (2691, 6865), (4119, 4485)]