19815180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4289}}^1$

素因数の和:4319

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 49373940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4289, 4620, 8578, 12867, 17156, 21445, 25734, 30023, 42890, 47179, 51468, 60046, 64335, 85780, 90069, 94358, 120092, 128670, 141537, 150115, 180138, 188716, 235895, 257340, 283074, 300230, 330253, 360276, 450345, 471790, 566148, 600460, 660506, 707685, 900690, 943580, 990759, 1321012, 1415370, 1651265, 1801380, 1981518, 2830740, 3302530, 3963036, 4953795, 6605060, 9907590, 19815180]

約数ペア:

[(1, 19815180), (2, 9907590), (3, 6605060), (4, 4953795), (5, 3963036), (6, 3302530), (7, 2830740), (10, 1981518), (11, 1801380), (12, 1651265), (14, 1415370), (15, 1321012), (20, 990759), (21, 943580), (22, 900690), (28, 707685), (30, 660506), (33, 600460), (35, 566148), (42, 471790), (44, 450345), (55, 360276), (60, 330253), (66, 300230), (70, 283074), (77, 257340), (84, 235895), (105, 188716), (110, 180138), (132, 150115), (140, 141537), (154, 128670), (165, 120092), (210, 94358), (220, 90069), (231, 85780), (308, 64335), (330, 60046), (385, 51468), (420, 47179), (462, 42890), (660, 30023), (770, 25734), (924, 21445), (1155, 17156), (1540, 12867), (2310, 8578), (4289, 4620)]