18679920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11119}}^1$

素因数の和:11142

約数の個数: 80

約数和(自身を含む): 66186240

約数和(自身を除く): 47506320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11119, 22238, 33357, 44476, 55595, 66714, 77833, 88952, 111190, 133428, 155666, 166785, 177904, 222380, 233499, 266856, 311332, 333570, 389165, 444760, 466998, 533712, 622664, 667140, 778330, 889520, 933996, 1167495, 1245328, 1334280, 1556660, 1867992, 2334990, 2668560, 3113320, 3735984, 4669980, 6226640, 9339960, 18679920]

約数ペア:

[(1, 18679920), (2, 9339960), (3, 6226640), (4, 4669980), (5, 3735984), (6, 3113320), (7, 2668560), (8, 2334990), (10, 1867992), (12, 1556660), (14, 1334280), (15, 1245328), (16, 1167495), (20, 933996), (21, 889520), (24, 778330), (28, 667140), (30, 622664), (35, 533712), (40, 466998), (42, 444760), (48, 389165), (56, 333570), (60, 311332), (70, 266856), (80, 233499), (84, 222380), (105, 177904), (112, 166785), (120, 155666), (140, 133428), (168, 111190), (210, 88952), (240, 77833), (280, 66714), (336, 55595), (420, 44476), (560, 33357), (840, 22238), (1680, 11119)]