18770490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2857}}^1$

素因数の和:2943

約数の個数: 48

約数和(自身を含む): 49489128

約数和(自身を除く): 30718638

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 2857, 3285, 5714, 6570, 8571, 14285, 17142, 25713, 28570, 42855, 51426, 85710, 128565, 208561, 257130, 417122, 625683, 1042805, 1251366, 1877049, 2085610, 3128415, 3754098, 6256830, 9385245, 18770490]

約数ペア:

[(1, 18770490), (2, 9385245), (3, 6256830), (5, 3754098), (6, 3128415), (9, 2085610), (10, 1877049), (15, 1251366), (18, 1042805), (30, 625683), (45, 417122), (73, 257130), (90, 208561), (146, 128565), (219, 85710), (365, 51426), (438, 42855), (657, 28570), (730, 25713), (1095, 17142), (1314, 14285), (2190, 8571), (2857, 6570), (3285, 5714)]