18770296328

素因数分解:

$2^3\times 7^3\times {\mathrm{167}}^1\times {\mathrm{40961}}^1$

素因数の和:41155

約数の個数: 64

約数和(自身を含む): 41289696000

約数和(自身を除く): 22519399672

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 167, 196, 334, 343, 392, 668, 686, 1169, 1336, 1372, 2338, 2744, 4676, 8183, 9352, 16366, 32732, 40961, 57281, 65464, 81922, 114562, 163844, 229124, 286727, 327688, 458248, 573454, 1146908, 2007089, 2293816, 4014178, 6840487, 8028356, 13680974, 14049623, 16056712, 27361948, 28099246, 47883409, 54723896, 56198492, 95766818, 112396984, 191533636, 335183863, 383067272, 670367726, 1340735452, 2346287041, 2681470904, 4692574082, 9385148164, 18770296328]

約数ペア:

[(1, 18770296328), (2, 9385148164), (4, 4692574082), (7, 2681470904), (8, 2346287041), (14, 1340735452), (28, 670367726), (49, 383067272), (56, 335183863), (98, 191533636), (167, 112396984), (196, 95766818), (334, 56198492), (343, 54723896), (392, 47883409), (668, 28099246), (686, 27361948), (1169, 16056712), (1336, 14049623), (1372, 13680974), (2338, 8028356), (2744, 6840487), (4676, 4014178), (8183, 2293816), (9352, 2007089), (16366, 1146908), (32732, 573454), (40961, 458248), (57281, 327688), (65464, 286727), (81922, 229124), (114562, 163844)]