19695480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23447}}^1$

素因数の和:23468

約数の個数: 64

約数和(自身を含む): 67530240

約数和(自身を除く): 47834760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23447, 46894, 70341, 93788, 117235, 140682, 164129, 187576, 234470, 281364, 328258, 351705, 468940, 492387, 562728, 656516, 703410, 820645, 937880, 984774, 1313032, 1406820, 1641290, 1969548, 2461935, 2813640, 3282580, 3939096, 4923870, 6565160, 9847740, 19695480]

約数ペア:

[(1, 19695480), (2, 9847740), (3, 6565160), (4, 4923870), (5, 3939096), (6, 3282580), (7, 2813640), (8, 2461935), (10, 1969548), (12, 1641290), (14, 1406820), (15, 1313032), (20, 984774), (21, 937880), (24, 820645), (28, 703410), (30, 656516), (35, 562728), (40, 492387), (42, 468940), (56, 351705), (60, 328258), (70, 281364), (84, 234470), (105, 187576), (120, 164129), (140, 140682), (168, 117235), (210, 93788), (280, 70341), (420, 46894), (840, 23447)]