18281390

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 33886080

約数和(自身を除く): 15604690

約数列:

[1, 2, 5, 10, 73, 79, 146, 158, 317, 365, 395, 634, 730, 790, 1585, 3170, 5767, 11534, 23141, 25043, 28835, 46282, 50086, 57670, 115705, 125215, 231410, 250430, 1828139, 3656278, 9140695, 18281390]

約数ペア:

[(1, 18281390), (2, 9140695), (5, 3656278), (10, 1828139), (73, 250430), (79, 231410), (146, 125215), (158, 115705), (317, 57670), (365, 50086), (395, 46282), (634, 28835), (730, 25043), (790, 23141), (1585, 11534), (3170, 5767)]