19041320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6521}}^1$

素因数の和:6605

約数の個数: 32

約数和(自身を含む): 43436520

約数和(自身を除く): 24395200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6521, 13042, 26084, 32605, 52168, 65210, 130420, 260840, 476033, 952066, 1904132, 2380165, 3808264, 4760330, 9520660, 19041320]

約数ペア:

[(1, 19041320), (2, 9520660), (4, 4760330), (5, 3808264), (8, 2380165), (10, 1904132), (20, 952066), (40, 476033), (73, 260840), (146, 130420), (292, 65210), (365, 52168), (584, 32605), (730, 26084), (1460, 13042), (2920, 6521)]