18741645

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 36691200

約数和(自身を除く): 17949555

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 59, 65, 117, 135, 177, 181, 195, 295, 351, 531, 543, 585, 767, 885, 905, 1593, 1629, 1755, 2301, 2353, 2655, 2715, 3835, 4887, 6903, 7059, 7965, 8145, 10679, 11505, 11765, 20709, 21177, 24435, 32037, 34515, 35295, 53395, 63531, 96111, 103545, 105885, 138827, 160185, 288333, 317655, 416481, 480555, 694135, 1249443, 1441665, 2082405, 3748329, 6247215, 18741645]

約数ペア:

[(1, 18741645), (3, 6247215), (5, 3748329), (9, 2082405), (13, 1441665), (15, 1249443), (27, 694135), (39, 480555), (45, 416481), (59, 317655), (65, 288333), (117, 160185), (135, 138827), (177, 105885), (181, 103545), (195, 96111), (295, 63531), (351, 53395), (531, 35295), (543, 34515), (585, 32037), (767, 24435), (885, 21177), (905, 20709), (1593, 11765), (1629, 11505), (1755, 10679), (2301, 8145), (2353, 7965), (2655, 7059), (2715, 6903), (3835, 4887)]