18902646

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 49251840

約数和(自身を除く): 30349194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 81, 126, 158, 162, 189, 211, 237, 378, 422, 474, 553, 567, 633, 711, 1106, 1134, 1266, 1422, 1477, 1659, 1899, 2133, 2954, 3318, 3798, 4266, 4431, 4977, 5697, 6399, 8862, 9954, 11394, 12798, 13293, 14931, 16669, 17091, 26586, 29862, 33338, 34182, 39879, 44793, 50007, 79758, 89586, 100014, 116683, 119637, 150021, 233366, 239274, 300042, 350049, 450063, 700098, 900126, 1050147, 1350189, 2100294, 2700378, 3150441, 6300882, 9451323, 18902646]

約数ペア:

[(1, 18902646), (2, 9451323), (3, 6300882), (6, 3150441), (7, 2700378), (9, 2100294), (14, 1350189), (18, 1050147), (21, 900126), (27, 700098), (42, 450063), (54, 350049), (63, 300042), (79, 239274), (81, 233366), (126, 150021), (158, 119637), (162, 116683), (189, 100014), (211, 89586), (237, 79758), (378, 50007), (422, 44793), (474, 39879), (553, 34182), (567, 33338), (633, 29862), (711, 26586), (1106, 17091), (1134, 16669), (1266, 14931), (1422, 13293), (1477, 12798), (1659, 11394), (1899, 9954), (2133, 8862), (2954, 6399), (3318, 5697), (3798, 4977), (4266, 4431)]