19968235776

素因数分解:

$2^8\times 3^3\times {\mathrm{37}}^1\times {\mathrm{78079}}^1$

素因数の和:78141

約数の個数: 144

約数和(自身を含む): 60646297600

約数和(自身を除く): 40678061824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 96, 108, 111, 128, 144, 148, 192, 216, 222, 256, 288, 296, 333, 384, 432, 444, 576, 592, 666, 768, 864, 888, 999, 1152, 1184, 1332, 1728, 1776, 1998, 2304, 2368, 2664, 3456, 3552, 3996, 4736, 5328, 6912, 7104, 7992, 9472, 10656, 14208, 15984, 21312, 28416, 31968, 42624, 63936, 78079, 85248, 127872, 156158, 234237, 255744, 312316, 468474, 624632, 702711, 936948, 1249264, 1405422, 1873896, 2108133, 2498528, 2810844, 2888923, 3747792, 4216266, 4997056, 5621688, 5777846, 7495584, 8432532, 8666769, 9994112, 11243376, 11555692, 14991168, 16865064, 17333538, 19988224, 22486752, 23111384, 26000307, 29982336, 33730128, 34667076, 44973504, 46222768, 52000614, 59964672, 67460256, 69334152, 78000921, 89947008, 92445536, 104001228, 134920512, 138668304, 156001842, 179894016, 184891072, 208002456, 269841024, 277336608, 312003684, 369782144, 416004912, 539682048, 554673216, 624007368, 739564288, 832009824, 1109346432, 1248014736, 1664019648, 2218692864, 2496029472, 3328039296, 4992058944, 6656078592, 9984117888, 19968235776]

約数ペア:

[(1, 19968235776), (2, 9984117888), (3, 6656078592), (4, 4992058944), (6, 3328039296), (8, 2496029472), (9, 2218692864), (12, 1664019648), (16, 1248014736), (18, 1109346432), (24, 832009824), (27, 739564288), (32, 624007368), (36, 554673216), (37, 539682048), (48, 416004912), (54, 369782144), (64, 312003684), (72, 277336608), (74, 269841024), (96, 208002456), (108, 184891072), (111, 179894016), (128, 156001842), (144, 138668304), (148, 134920512), (192, 104001228), (216, 92445536), (222, 89947008), (256, 78000921), (288, 69334152), (296, 67460256), (333, 59964672), (384, 52000614), (432, 46222768), (444, 44973504), (576, 34667076), (592, 33730128), (666, 29982336), (768, 26000307), (864, 23111384), (888, 22486752), (999, 19988224), (1152, 17333538), (1184, 16865064), (1332, 14991168), (1728, 11555692), (1776, 11243376), (1998, 9994112), (2304, 8666769), (2368, 8432532), (2664, 7495584), (3456, 5777846), (3552, 5621688), (3996, 4997056), (4736, 4216266), (5328, 3747792), (6912, 2888923), (7104, 2810844), (7992, 2498528), (9472, 2108133), (10656, 1873896), (14208, 1405422), (15984, 1249264), (21312, 936948), (28416, 702711), (31968, 624632), (42624, 468474), (63936, 312316), (78079, 255744), (85248, 234237), (127872, 156158)]