19851216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 46144560

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 41, 42, 44, 48, 56, 66, 77, 82, 84, 88, 112, 123, 131, 132, 154, 164, 168, 176, 231, 246, 262, 264, 287, 308, 328, 336, 393, 451, 462, 492, 524, 528, 574, 616, 656, 786, 861, 902, 917, 924, 984, 1048, 1148, 1232, 1353, 1441, 1572, 1722, 1804, 1834, 1848, 1968, 2096, 2296, 2706, 2751, 2882, 3144, 3157, 3444, 3608, 3668, 3696, 4323, 4592, 5371, 5412, 5502, 5764, 6288, 6314, 6888, 7216, 7336, 8646, 9471, 10087, 10742, 10824, 11004, 11528, 12628, 13776, 14672, 16113, 17292, 18942, 20174, 21484, 21648, 22008, 23056, 25256, 30261, 32226, 34584, 37597, 37884, 40348, 42968, 44016, 50512, 59081, 60522, 64452, 69168, 75194, 75768, 80696, 85936, 112791, 118162, 121044, 128904, 150388, 151536, 161392, 177243, 225582, 236324, 242088, 257808, 300776, 354486, 413567, 451164, 472648, 484176, 601552, 708972, 827134, 902328, 945296, 1240701, 1417944, 1654268, 1804656, 2481402, 2835888, 3308536, 4962804, 6617072, 9925608, 19851216]

約数ペア:

[(1, 19851216), (2, 9925608), (3, 6617072), (4, 4962804), (6, 3308536), (7, 2835888), (8, 2481402), (11, 1804656), (12, 1654268), (14, 1417944), (16, 1240701), (21, 945296), (22, 902328), (24, 827134), (28, 708972), (33, 601552), (41, 484176), (42, 472648), (44, 451164), (48, 413567), (56, 354486), (66, 300776), (77, 257808), (82, 242088), (84, 236324), (88, 225582), (112, 177243), (123, 161392), (131, 151536), (132, 150388), (154, 128904), (164, 121044), (168, 118162), (176, 112791), (231, 85936), (246, 80696), (262, 75768), (264, 75194), (287, 69168), (308, 64452), (328, 60522), (336, 59081), (393, 50512), (451, 44016), (462, 42968), (492, 40348), (524, 37884), (528, 37597), (574, 34584), (616, 32226), (656, 30261), (786, 25256), (861, 23056), (902, 22008), (917, 21648), (924, 21484), (984, 20174), (1048, 18942), (1148, 17292), (1232, 16113), (1353, 14672), (1441, 13776), (1572, 12628), (1722, 11528), (1804, 11004), (1834, 10824), (1848, 10742), (1968, 10087), (2096, 9471), (2296, 8646), (2706, 7336), (2751, 7216), (2882, 6888), (3144, 6314), (3157, 6288), (3444, 5764), (3608, 5502), (3668, 5412), (3696, 5371), (4323, 4592)]