17958954

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 39528000

約数和(自身を除く): 21569046

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 169, 178, 199, 267, 338, 398, 507, 534, 597, 1014, 1157, 1194, 2314, 2587, 3471, 5174, 6942, 7761, 15041, 15522, 17711, 30082, 33631, 35422, 45123, 53133, 67262, 90246, 100893, 106266, 201786, 230243, 460486, 690729, 1381458, 2993159, 5986318, 8979477, 17958954]

約数ペア:

[(1, 17958954), (2, 8979477), (3, 5986318), (6, 2993159), (13, 1381458), (26, 690729), (39, 460486), (78, 230243), (89, 201786), (169, 106266), (178, 100893), (199, 90246), (267, 67262), (338, 53133), (398, 45123), (507, 35422), (534, 33631), (597, 30082), (1014, 17711), (1157, 15522), (1194, 15041), (2314, 7761), (2587, 6942), (3471, 5174)]