19690188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 55641600

約数和(自身を除く): 35951412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 59, 84, 87, 116, 118, 137, 174, 177, 203, 236, 274, 348, 354, 406, 411, 413, 548, 609, 708, 812, 822, 826, 959, 1218, 1239, 1644, 1652, 1711, 1918, 2436, 2478, 2877, 3422, 3836, 3973, 4956, 5133, 5754, 6844, 7946, 8083, 10266, 11508, 11919, 11977, 15892, 16166, 20532, 23838, 23954, 24249, 27811, 32332, 35931, 47676, 47908, 48498, 55622, 56581, 71862, 83433, 96996, 111244, 113162, 143724, 166866, 169743, 226324, 234407, 333732, 339486, 468814, 678972, 703221, 937628, 1406442, 1640849, 2812884, 3281698, 4922547, 6563396, 9845094, 19690188]

約数ペア:

[(1, 19690188), (2, 9845094), (3, 6563396), (4, 4922547), (6, 3281698), (7, 2812884), (12, 1640849), (14, 1406442), (21, 937628), (28, 703221), (29, 678972), (42, 468814), (58, 339486), (59, 333732), (84, 234407), (87, 226324), (116, 169743), (118, 166866), (137, 143724), (174, 113162), (177, 111244), (203, 96996), (236, 83433), (274, 71862), (348, 56581), (354, 55622), (406, 48498), (411, 47908), (413, 47676), (548, 35931), (609, 32332), (708, 27811), (812, 24249), (822, 23954), (826, 23838), (959, 20532), (1218, 16166), (1239, 15892), (1644, 11977), (1652, 11919), (1711, 11508), (1918, 10266), (2436, 8083), (2478, 7946), (2877, 6844), (3422, 5754), (3836, 5133), (3973, 4956)]