19941184

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 84

約数和(自身を含む): 44947840

約数和(自身を除く): 25006656

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 32, 38, 46, 62, 64, 76, 92, 124, 152, 184, 248, 304, 368, 437, 496, 529, 589, 608, 713, 736, 874, 992, 1058, 1178, 1216, 1426, 1472, 1748, 1984, 2116, 2356, 2852, 3496, 4232, 4712, 5704, 6992, 8464, 9424, 10051, 11408, 13547, 13984, 16399, 16928, 18848, 20102, 22816, 27094, 27968, 32798, 33856, 37696, 40204, 45632, 54188, 65596, 80408, 108376, 131192, 160816, 216752, 262384, 311581, 321632, 433504, 524768, 623162, 643264, 867008, 1049536, 1246324, 2492648, 4985296, 9970592, 19941184]

約数ペア:

[(1, 19941184), (2, 9970592), (4, 4985296), (8, 2492648), (16, 1246324), (19, 1049536), (23, 867008), (31, 643264), (32, 623162), (38, 524768), (46, 433504), (62, 321632), (64, 311581), (76, 262384), (92, 216752), (124, 160816), (152, 131192), (184, 108376), (248, 80408), (304, 65596), (368, 54188), (437, 45632), (496, 40204), (529, 37696), (589, 33856), (608, 32798), (713, 27968), (736, 27094), (874, 22816), (992, 20102), (1058, 18848), (1178, 16928), (1216, 16399), (1426, 13984), (1472, 13547), (1748, 11408), (1984, 10051), (2116, 9424), (2356, 8464), (2852, 6992), (3496, 5704), (4232, 4712)]