19642280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 34789720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 41, 56, 58, 59, 70, 82, 116, 118, 140, 145, 164, 203, 205, 232, 236, 280, 287, 290, 295, 328, 406, 410, 413, 472, 574, 580, 590, 812, 820, 826, 1015, 1148, 1160, 1180, 1189, 1435, 1624, 1640, 1652, 1711, 2030, 2065, 2296, 2360, 2378, 2419, 2870, 3304, 3422, 4060, 4130, 4756, 4838, 5740, 5945, 6844, 8120, 8260, 8323, 8555, 9512, 9676, 11480, 11890, 11977, 12095, 13688, 16520, 16646, 16933, 17110, 19352, 23780, 23954, 24190, 33292, 33866, 34220, 41615, 47560, 47908, 48380, 59885, 66584, 67732, 68440, 70151, 83230, 84665, 95816, 96760, 119770, 135464, 140302, 166460, 169330, 239540, 280604, 332920, 338660, 350755, 479080, 491057, 561208, 677320, 701510, 982114, 1403020, 1964228, 2455285, 2806040, 3928456, 4910570, 9821140, 19642280]

約数ペア:

[(1, 19642280), (2, 9821140), (4, 4910570), (5, 3928456), (7, 2806040), (8, 2455285), (10, 1964228), (14, 1403020), (20, 982114), (28, 701510), (29, 677320), (35, 561208), (40, 491057), (41, 479080), (56, 350755), (58, 338660), (59, 332920), (70, 280604), (82, 239540), (116, 169330), (118, 166460), (140, 140302), (145, 135464), (164, 119770), (203, 96760), (205, 95816), (232, 84665), (236, 83230), (280, 70151), (287, 68440), (290, 67732), (295, 66584), (328, 59885), (406, 48380), (410, 47908), (413, 47560), (472, 41615), (574, 34220), (580, 33866), (590, 33292), (812, 24190), (820, 23954), (826, 23780), (1015, 19352), (1148, 17110), (1160, 16933), (1180, 16646), (1189, 16520), (1435, 13688), (1624, 12095), (1640, 11977), (1652, 11890), (1711, 11480), (2030, 9676), (2065, 9512), (2296, 8555), (2360, 8323), (2378, 8260), (2419, 8120), (2870, 6844), (3304, 5945), (3422, 5740), (4060, 4838), (4130, 4756)]