18773080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11447}}^1$

素因数の和:11499

約数の個数: 32

約数和(自身を含む): 43273440

約数和(自身を除く): 24500360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11447, 22894, 45788, 57235, 91576, 114470, 228940, 457880, 469327, 938654, 1877308, 2346635, 3754616, 4693270, 9386540, 18773080]

約数ペア:

[(1, 18773080), (2, 9386540), (4, 4693270), (5, 3754616), (8, 2346635), (10, 1877308), (20, 938654), (40, 469327), (41, 457880), (82, 228940), (164, 114470), (205, 91576), (328, 57235), (410, 45788), (820, 22894), (1640, 11447)]