19016970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 52621056

約数和(自身を除く): 33604086

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 661, 685, 822, 959, 1322, 1370, 1918, 1983, 2055, 2877, 3305, 3966, 4110, 4627, 4795, 5754, 6610, 9254, 9590, 9915, 13881, 14385, 19830, 23135, 27762, 28770, 46270, 69405, 90557, 138810, 181114, 271671, 452785, 543342, 633899, 905570, 1267798, 1358355, 1901697, 2716710, 3169495, 3803394, 6338990, 9508485, 19016970]

約数ペア:

[(1, 19016970), (2, 9508485), (3, 6338990), (5, 3803394), (6, 3169495), (7, 2716710), (10, 1901697), (14, 1358355), (15, 1267798), (21, 905570), (30, 633899), (35, 543342), (42, 452785), (70, 271671), (105, 181114), (137, 138810), (210, 90557), (274, 69405), (411, 46270), (661, 28770), (685, 27762), (822, 23135), (959, 19830), (1322, 14385), (1370, 13881), (1918, 9915), (1983, 9590), (2055, 9254), (2877, 6610), (3305, 5754), (3966, 4795), (4110, 4627)]