18534555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 17753445

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 59, 65, 117, 135, 177, 179, 195, 295, 351, 531, 537, 585, 767, 885, 895, 1593, 1611, 1755, 2301, 2327, 2655, 2685, 3835, 4833, 6903, 6981, 7965, 8055, 10561, 11505, 11635, 20709, 20943, 24165, 31683, 34515, 34905, 52805, 62829, 95049, 103545, 104715, 137293, 158415, 285147, 314145, 411879, 475245, 686465, 1235637, 1425735, 2059395, 3706911, 6178185, 18534555]

約数ペア:

[(1, 18534555), (3, 6178185), (5, 3706911), (9, 2059395), (13, 1425735), (15, 1235637), (27, 686465), (39, 475245), (45, 411879), (59, 314145), (65, 285147), (117, 158415), (135, 137293), (177, 104715), (179, 103545), (195, 95049), (295, 62829), (351, 52805), (531, 34905), (537, 34515), (585, 31683), (767, 24165), (885, 20943), (895, 20709), (1593, 11635), (1611, 11505), (1755, 10561), (2301, 8055), (2327, 7965), (2655, 6981), (2685, 6903), (3835, 4833)]