19722472

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 46707840

約数和(自身を除く): 26985368

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 101, 154, 202, 308, 317, 404, 616, 634, 707, 808, 1111, 1268, 1414, 2219, 2222, 2536, 2828, 3487, 4438, 4444, 5656, 6974, 7777, 8876, 8888, 13948, 15554, 17752, 24409, 27896, 31108, 32017, 48818, 62216, 64034, 97636, 128068, 195272, 224119, 256136, 352187, 448238, 704374, 896476, 1408748, 1792952, 2465309, 2817496, 4930618, 9861236, 19722472]

約数ペア:

[(1, 19722472), (2, 9861236), (4, 4930618), (7, 2817496), (8, 2465309), (11, 1792952), (14, 1408748), (22, 896476), (28, 704374), (44, 448238), (56, 352187), (77, 256136), (88, 224119), (101, 195272), (154, 128068), (202, 97636), (308, 64034), (317, 62216), (404, 48818), (616, 32017), (634, 31108), (707, 27896), (808, 24409), (1111, 17752), (1268, 15554), (1414, 13948), (2219, 8888), (2222, 8876), (2536, 7777), (2828, 6974), (3487, 5656), (4438, 4444)]