19901076

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 53343360

約数和(自身を除く): 33442284

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 53, 58, 78, 83, 87, 106, 116, 156, 159, 166, 174, 212, 249, 318, 332, 348, 377, 498, 636, 689, 754, 996, 1079, 1131, 1378, 1508, 1537, 2067, 2158, 2262, 2407, 2756, 3074, 3237, 4134, 4316, 4399, 4524, 4611, 4814, 6148, 6474, 7221, 8268, 8798, 9222, 9628, 12948, 13197, 14442, 17596, 18444, 19981, 26394, 28884, 31291, 39962, 52788, 57187, 59943, 62582, 79924, 93873, 114374, 119886, 125164, 127571, 171561, 187746, 228748, 239772, 255142, 343122, 375492, 382713, 510284, 686244, 765426, 1530852, 1658423, 3316846, 4975269, 6633692, 9950538, 19901076]

約数ペア:

[(1, 19901076), (2, 9950538), (3, 6633692), (4, 4975269), (6, 3316846), (12, 1658423), (13, 1530852), (26, 765426), (29, 686244), (39, 510284), (52, 382713), (53, 375492), (58, 343122), (78, 255142), (83, 239772), (87, 228748), (106, 187746), (116, 171561), (156, 127571), (159, 125164), (166, 119886), (174, 114374), (212, 93873), (249, 79924), (318, 62582), (332, 59943), (348, 57187), (377, 52788), (498, 39962), (636, 31291), (689, 28884), (754, 26394), (996, 19981), (1079, 18444), (1131, 17596), (1378, 14442), (1508, 13197), (1537, 12948), (2067, 9628), (2158, 9222), (2262, 8798), (2407, 8268), (2756, 7221), (3074, 6474), (3237, 6148), (4134, 4814), (4316, 4611), (4399, 4524)]