19557230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2309}}^1$

素因数の和:2345

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 24683890

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 2309, 4235, 4618, 8470, 11545, 16163, 23090, 25399, 32326, 50798, 80815, 126995, 161630, 177793, 253990, 279389, 355586, 558778, 888965, 1396945, 1777930, 1955723, 2793890, 3911446, 9778615, 19557230]

約数ペア:

[(1, 19557230), (2, 9778615), (5, 3911446), (7, 2793890), (10, 1955723), (11, 1777930), (14, 1396945), (22, 888965), (35, 558778), (55, 355586), (70, 279389), (77, 253990), (110, 177793), (121, 161630), (154, 126995), (242, 80815), (385, 50798), (605, 32326), (770, 25399), (847, 23090), (1210, 16163), (1694, 11545), (2309, 8470), (4235, 4618)]