19162020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5413}}^1$

素因数の和:5484

約数の個数: 48

約数和(自身を含む): 54573120

約数和(自身を除く): 35411100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5413, 10826, 16239, 21652, 27065, 32478, 54130, 64956, 81195, 108260, 162390, 319367, 324780, 638734, 958101, 1277468, 1596835, 1916202, 3193670, 3832404, 4790505, 6387340, 9581010, 19162020]

約数ペア:

[(1, 19162020), (2, 9581010), (3, 6387340), (4, 4790505), (5, 3832404), (6, 3193670), (10, 1916202), (12, 1596835), (15, 1277468), (20, 958101), (30, 638734), (59, 324780), (60, 319367), (118, 162390), (177, 108260), (236, 81195), (295, 64956), (354, 54130), (590, 32478), (708, 27065), (885, 21652), (1180, 16239), (1770, 10826), (3540, 5413)]