19364240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 52020480

約数和(自身を除く): 32656240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 229, 280, 302, 458, 560, 604, 755, 916, 1057, 1145, 1208, 1510, 1603, 1832, 2114, 2290, 2416, 3020, 3206, 3664, 4228, 4580, 5285, 6040, 6412, 8015, 8456, 9160, 10570, 12080, 12824, 16030, 16912, 18320, 21140, 25648, 32060, 34579, 42280, 64120, 69158, 84560, 128240, 138316, 172895, 242053, 276632, 345790, 484106, 553264, 691580, 968212, 1210265, 1383160, 1936424, 2420530, 2766320, 3872848, 4841060, 9682120, 19364240]

約数ペア:

[(1, 19364240), (2, 9682120), (4, 4841060), (5, 3872848), (7, 2766320), (8, 2420530), (10, 1936424), (14, 1383160), (16, 1210265), (20, 968212), (28, 691580), (35, 553264), (40, 484106), (56, 345790), (70, 276632), (80, 242053), (112, 172895), (140, 138316), (151, 128240), (229, 84560), (280, 69158), (302, 64120), (458, 42280), (560, 34579), (604, 32060), (755, 25648), (916, 21140), (1057, 18320), (1145, 16912), (1208, 16030), (1510, 12824), (1603, 12080), (1832, 10570), (2114, 9160), (2290, 8456), (2416, 8015), (3020, 6412), (3206, 6040), (3664, 5285), (4228, 4580)]