18318105

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 34581456

約数和(自身を除く): 16263351

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 173, 181, 195, 519, 543, 585, 865, 905, 1557, 1629, 2249, 2353, 2595, 2715, 6747, 7059, 7785, 8145, 11245, 11765, 20241, 21177, 31313, 33735, 35295, 93939, 101205, 105885, 156565, 281817, 407069, 469695, 1221207, 1409085, 2035345, 3663621, 6106035, 18318105]

約数ペア:

[(1, 18318105), (3, 6106035), (5, 3663621), (9, 2035345), (13, 1409085), (15, 1221207), (39, 469695), (45, 407069), (65, 281817), (117, 156565), (173, 105885), (181, 101205), (195, 93939), (519, 35295), (543, 33735), (585, 31313), (865, 21177), (905, 20241), (1557, 11765), (1629, 11245), (2249, 8145), (2353, 7785), (2595, 7059), (2715, 6747)]