18926640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 120

約数和(自身を含む): 64454208

約数和(自身を除く): 45527568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 271, 291, 360, 388, 485, 542, 582, 720, 776, 813, 873, 970, 1084, 1164, 1355, 1455, 1552, 1626, 1746, 1940, 2168, 2328, 2439, 2710, 2910, 3252, 3492, 3880, 4065, 4336, 4365, 4656, 4878, 5420, 5820, 6504, 6984, 7760, 8130, 8730, 9756, 10840, 11640, 12195, 13008, 13968, 16260, 17460, 19512, 21680, 23280, 24390, 26287, 32520, 34920, 39024, 48780, 52574, 65040, 69840, 78861, 97560, 105148, 131435, 157722, 195120, 210296, 236583, 262870, 315444, 394305, 420592, 473166, 525740, 630888, 788610, 946332, 1051480, 1182915, 1261776, 1577220, 1892664, 2102960, 2365830, 3154440, 3785328, 4731660, 6308880, 9463320, 18926640]

約数ペア:

[(1, 18926640), (2, 9463320), (3, 6308880), (4, 4731660), (5, 3785328), (6, 3154440), (8, 2365830), (9, 2102960), (10, 1892664), (12, 1577220), (15, 1261776), (16, 1182915), (18, 1051480), (20, 946332), (24, 788610), (30, 630888), (36, 525740), (40, 473166), (45, 420592), (48, 394305), (60, 315444), (72, 262870), (80, 236583), (90, 210296), (97, 195120), (120, 157722), (144, 131435), (180, 105148), (194, 97560), (240, 78861), (271, 69840), (291, 65040), (360, 52574), (388, 48780), (485, 39024), (542, 34920), (582, 32520), (720, 26287), (776, 24390), (813, 23280), (873, 21680), (970, 19512), (1084, 17460), (1164, 16260), (1355, 13968), (1455, 13008), (1552, 12195), (1626, 11640), (1746, 10840), (1940, 9756), (2168, 8730), (2328, 8130), (2439, 7760), (2710, 6984), (2910, 6504), (3252, 5820), (3492, 5420), (3880, 4878), (4065, 4656), (4336, 4365)]