18529980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44119}}^1$

素因数の和:44138

約数の個数: 48

約数和(自身を含む): 59297280

約数和(自身を除く): 40767300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44119, 88238, 132357, 176476, 220595, 264714, 308833, 441190, 529428, 617666, 661785, 882380, 926499, 1235332, 1323570, 1544165, 1852998, 2647140, 3088330, 3705996, 4632495, 6176660, 9264990, 18529980]

約数ペア:

[(1, 18529980), (2, 9264990), (3, 6176660), (4, 4632495), (5, 3705996), (6, 3088330), (7, 2647140), (10, 1852998), (12, 1544165), (14, 1323570), (15, 1235332), (20, 926499), (21, 882380), (28, 661785), (30, 617666), (35, 529428), (42, 441190), (60, 308833), (70, 264714), (84, 220595), (105, 176476), (140, 132357), (210, 88238), (420, 44119)]