1981822284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{222877}}^1$

素因数の和:222919

約数の個数: 72

約数和(自身を含む): 5678931440

約数和(自身を除く): 3697109156

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 222877, 445754, 668631, 891508, 1337262, 2005893, 2674524, 2897401, 4011786, 4234663, 5794802, 8023572, 8469326, 8692203, 11589604, 12703989, 16938652, 17384406, 25407978, 26076609, 34768812, 38111967, 50815956, 52153218, 55050619, 76223934, 104306436, 110101238, 152447868, 165151857, 220202476, 330303714, 495455571, 660607428, 990911142, 1981822284]

約数ペア:

[(1, 1981822284), (2, 990911142), (3, 660607428), (4, 495455571), (6, 330303714), (9, 220202476), (12, 165151857), (13, 152447868), (18, 110101238), (19, 104306436), (26, 76223934), (36, 55050619), (38, 52153218), (39, 50815956), (52, 38111967), (57, 34768812), (76, 26076609), (78, 25407978), (114, 17384406), (117, 16938652), (156, 12703989), (171, 11589604), (228, 8692203), (234, 8469326), (247, 8023572), (342, 5794802), (468, 4234663), (494, 4011786), (684, 2897401), (741, 2674524), (988, 2005893), (1482, 1337262), (2223, 891508), (2964, 668631), (4446, 445754), (8892, 222877)]