31896516

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 81076800

約数和(自身を除く): 49180284

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 199, 222, 228, 361, 398, 444, 597, 703, 722, 796, 1083, 1194, 1406, 1444, 2109, 2166, 2388, 2812, 3781, 4218, 4332, 7363, 7562, 8436, 11343, 13357, 14726, 15124, 22089, 22686, 26714, 29452, 40071, 44178, 45372, 53428, 71839, 80142, 88356, 139897, 143678, 160284, 215517, 279794, 287356, 419691, 431034, 559588, 839382, 862068, 1678764, 2658043, 5316086, 7974129, 10632172, 15948258, 31896516]

約数ペア:

[(1, 31896516), (2, 15948258), (3, 10632172), (4, 7974129), (6, 5316086), (12, 2658043), (19, 1678764), (37, 862068), (38, 839382), (57, 559588), (74, 431034), (76, 419691), (111, 287356), (114, 279794), (148, 215517), (199, 160284), (222, 143678), (228, 139897), (361, 88356), (398, 80142), (444, 71839), (597, 53428), (703, 45372), (722, 44178), (796, 40071), (1083, 29452), (1194, 26714), (1406, 22686), (1444, 22089), (2109, 15124), (2166, 14726), (2388, 13357), (2812, 11343), (3781, 8436), (4218, 7562), (4332, 7363)]