19883268

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 54309528

約数和(自身を除く): 34426260

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 53, 68, 102, 106, 153, 159, 204, 212, 306, 318, 477, 612, 613, 636, 901, 954, 1226, 1802, 1839, 1908, 2452, 2703, 3604, 3678, 5406, 5517, 7356, 8109, 10421, 10812, 11034, 16218, 20842, 22068, 31263, 32436, 32489, 41684, 62526, 64978, 93789, 97467, 125052, 129956, 187578, 194934, 292401, 375156, 389868, 552313, 584802, 1104626, 1169604, 1656939, 2209252, 3313878, 4970817, 6627756, 9941634, 19883268]

約数ペア:

[(1, 19883268), (2, 9941634), (3, 6627756), (4, 4970817), (6, 3313878), (9, 2209252), (12, 1656939), (17, 1169604), (18, 1104626), (34, 584802), (36, 552313), (51, 389868), (53, 375156), (68, 292401), (102, 194934), (106, 187578), (153, 129956), (159, 125052), (204, 97467), (212, 93789), (306, 64978), (318, 62526), (477, 41684), (612, 32489), (613, 32436), (636, 31263), (901, 22068), (954, 20842), (1226, 16218), (1802, 11034), (1839, 10812), (1908, 10421), (2452, 8109), (2703, 7356), (3604, 5517), (3678, 5406)]