19021840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5059}}^1$

素因数の和:5119

約数の個数: 40

約数和(自身を含む): 45175680

約数和(自身を除く): 26153840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5059, 10118, 20236, 25295, 40472, 50590, 80944, 101180, 202360, 237773, 404720, 475546, 951092, 1188865, 1902184, 2377730, 3804368, 4755460, 9510920, 19021840]

約数ペア:

[(1, 19021840), (2, 9510920), (4, 4755460), (5, 3804368), (8, 2377730), (10, 1902184), (16, 1188865), (20, 951092), (40, 475546), (47, 404720), (80, 237773), (94, 202360), (188, 101180), (235, 80944), (376, 50590), (470, 40472), (752, 25295), (940, 20236), (1880, 10118), (3760, 5059)]