18221304

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 49536000

約数和(自身を除く): 31314696

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1289, 1767, 2356, 2578, 3534, 3867, 4712, 5156, 7068, 7734, 10312, 14136, 15468, 24491, 30936, 39959, 48982, 73473, 79918, 97964, 119877, 146946, 159836, 195928, 239754, 293892, 319672, 479508, 587784, 759221, 959016, 1518442, 2277663, 3036884, 4555326, 6073768, 9110652, 18221304]

約数ペア:

[(1, 18221304), (2, 9110652), (3, 6073768), (4, 4555326), (6, 3036884), (8, 2277663), (12, 1518442), (19, 959016), (24, 759221), (31, 587784), (38, 479508), (57, 319672), (62, 293892), (76, 239754), (93, 195928), (114, 159836), (124, 146946), (152, 119877), (186, 97964), (228, 79918), (248, 73473), (372, 48982), (456, 39959), (589, 30936), (744, 24491), (1178, 15468), (1289, 14136), (1767, 10312), (2356, 7734), (2578, 7068), (3534, 5156), (3867, 4712)]