19991034

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5471}}^1$

素因数の和:5515

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 31226886

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5471, 10942, 16413, 32826, 38297, 49239, 76594, 98478, 114891, 158659, 229782, 317318, 344673, 475977, 689346, 951954, 1110613, 1427931, 2221226, 2855862, 3331839, 6663678, 9995517, 19991034]

約数ペア:

[(1, 19991034), (2, 9995517), (3, 6663678), (6, 3331839), (7, 2855862), (9, 2221226), (14, 1427931), (18, 1110613), (21, 951954), (29, 689346), (42, 475977), (58, 344673), (63, 317318), (87, 229782), (126, 158659), (174, 114891), (203, 98478), (261, 76594), (406, 49239), (522, 38297), (609, 32826), (1218, 16413), (1827, 10942), (3654, 5471)]