18959688

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 57620160

約数和(自身を除く): 38660472

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 37, 44, 66, 72, 74, 88, 99, 111, 132, 148, 198, 222, 264, 296, 333, 396, 407, 444, 647, 666, 792, 814, 888, 1221, 1294, 1332, 1628, 1941, 2442, 2588, 2664, 3256, 3663, 3882, 4884, 5176, 5823, 7117, 7326, 7764, 9768, 11646, 14234, 14652, 15528, 21351, 23292, 23939, 28468, 29304, 42702, 46584, 47878, 56936, 64053, 71817, 85404, 95756, 128106, 143634, 170808, 191512, 215451, 256212, 263329, 287268, 430902, 512424, 526658, 574536, 789987, 861804, 1053316, 1579974, 1723608, 2106632, 2369961, 3159948, 4739922, 6319896, 9479844, 18959688]

約数ペア:

[(1, 18959688), (2, 9479844), (3, 6319896), (4, 4739922), (6, 3159948), (8, 2369961), (9, 2106632), (11, 1723608), (12, 1579974), (18, 1053316), (22, 861804), (24, 789987), (33, 574536), (36, 526658), (37, 512424), (44, 430902), (66, 287268), (72, 263329), (74, 256212), (88, 215451), (99, 191512), (111, 170808), (132, 143634), (148, 128106), (198, 95756), (222, 85404), (264, 71817), (296, 64053), (333, 56936), (396, 47878), (407, 46584), (444, 42702), (647, 29304), (666, 28468), (792, 23939), (814, 23292), (888, 21351), (1221, 15528), (1294, 14652), (1332, 14234), (1628, 11646), (1941, 9768), (2442, 7764), (2588, 7326), (2664, 7117), (3256, 5823), (3663, 5176), (3882, 4884)]