19874760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 45789240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 379, 380, 437, 456, 460, 552, 570, 690, 758, 760, 874, 920, 1137, 1140, 1311, 1380, 1516, 1748, 1895, 2185, 2274, 2280, 2622, 2760, 3032, 3496, 3790, 4370, 4548, 5244, 5685, 6555, 7201, 7580, 8717, 8740, 9096, 10488, 11370, 13110, 14402, 15160, 17434, 17480, 21603, 22740, 26151, 26220, 28804, 34868, 36005, 43206, 43585, 45480, 52302, 52440, 57608, 69736, 72010, 86412, 87170, 104604, 108015, 130755, 144020, 165623, 172824, 174340, 209208, 216030, 261510, 288040, 331246, 348680, 432060, 496869, 523020, 662492, 828115, 864120, 993738, 1046040, 1324984, 1656230, 1987476, 2484345, 3312460, 3974952, 4968690, 6624920, 9937380, 19874760]

約数ペア:

[(1, 19874760), (2, 9937380), (3, 6624920), (4, 4968690), (5, 3974952), (6, 3312460), (8, 2484345), (10, 1987476), (12, 1656230), (15, 1324984), (19, 1046040), (20, 993738), (23, 864120), (24, 828115), (30, 662492), (38, 523020), (40, 496869), (46, 432060), (57, 348680), (60, 331246), (69, 288040), (76, 261510), (92, 216030), (95, 209208), (114, 174340), (115, 172824), (120, 165623), (138, 144020), (152, 130755), (184, 108015), (190, 104604), (228, 87170), (230, 86412), (276, 72010), (285, 69736), (345, 57608), (379, 52440), (380, 52302), (437, 45480), (456, 43585), (460, 43206), (552, 36005), (570, 34868), (690, 28804), (758, 26220), (760, 26151), (874, 22740), (920, 21603), (1137, 17480), (1140, 17434), (1311, 15160), (1380, 14402), (1516, 13110), (1748, 11370), (1895, 10488), (2185, 9096), (2274, 8740), (2280, 8717), (2622, 7580), (2760, 7201), (3032, 6555), (3496, 5685), (3790, 5244), (4370, 4548)]