19155888

素因数分解:

$2^4\times 3^2\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1122

約数の個数: 60

約数和(自身を含む): 54056808

約数和(自身を除く): 34900920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 137, 144, 274, 411, 548, 822, 971, 1096, 1233, 1644, 1942, 2192, 2466, 2913, 3288, 3884, 4932, 5826, 6576, 7768, 8739, 9864, 11652, 15536, 17478, 19728, 23304, 34956, 46608, 69912, 133027, 139824, 266054, 399081, 532108, 798162, 1064216, 1197243, 1596324, 2128432, 2394486, 3192648, 4788972, 6385296, 9577944, 19155888]

約数ペア:

[(1, 19155888), (2, 9577944), (3, 6385296), (4, 4788972), (6, 3192648), (8, 2394486), (9, 2128432), (12, 1596324), (16, 1197243), (18, 1064216), (24, 798162), (36, 532108), (48, 399081), (72, 266054), (137, 139824), (144, 133027), (274, 69912), (411, 46608), (548, 34956), (822, 23304), (971, 19728), (1096, 17478), (1233, 15536), (1644, 11652), (1942, 9864), (2192, 8739), (2466, 7768), (2913, 6576), (3288, 5826), (3884, 4932)]