19340145

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 37065600

約数和(自身を除く): 17725455

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 89, 99, 165, 267, 439, 445, 495, 801, 979, 1317, 1335, 2195, 2937, 3951, 4005, 4829, 4895, 6585, 8811, 14487, 14685, 19755, 24145, 39071, 43461, 44055, 72435, 117213, 195355, 217305, 351639, 429781, 586065, 1289343, 1758195, 2148905, 3868029, 6446715, 19340145]

約数ペア:

[(1, 19340145), (3, 6446715), (5, 3868029), (9, 2148905), (11, 1758195), (15, 1289343), (33, 586065), (45, 429781), (55, 351639), (89, 217305), (99, 195355), (165, 117213), (267, 72435), (439, 44055), (445, 43461), (495, 39071), (801, 24145), (979, 19755), (1317, 14685), (1335, 14487), (2195, 8811), (2937, 6585), (3951, 4895), (4005, 4829)]