15917868

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 42369600

約数和(自身を除く): 26451732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 79, 87, 116, 158, 174, 193, 237, 261, 316, 348, 386, 474, 522, 579, 711, 772, 948, 1044, 1158, 1422, 1737, 2291, 2316, 2844, 3474, 4582, 5597, 6873, 6948, 9164, 11194, 13746, 15247, 16791, 20619, 22388, 27492, 30494, 33582, 41238, 45741, 50373, 60988, 67164, 82476, 91482, 100746, 137223, 182964, 201492, 274446, 442163, 548892, 884326, 1326489, 1768652, 2652978, 3979467, 5305956, 7958934, 15917868]

約数ペア:

[(1, 15917868), (2, 7958934), (3, 5305956), (4, 3979467), (6, 2652978), (9, 1768652), (12, 1326489), (18, 884326), (29, 548892), (36, 442163), (58, 274446), (79, 201492), (87, 182964), (116, 137223), (158, 100746), (174, 91482), (193, 82476), (237, 67164), (261, 60988), (316, 50373), (348, 45741), (386, 41238), (474, 33582), (522, 30494), (579, 27492), (711, 22388), (772, 20619), (948, 16791), (1044, 15247), (1158, 13746), (1422, 11194), (1737, 9164), (2291, 6948), (2316, 6873), (2844, 5597), (3474, 4582)]