19749954

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28634046

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 139, 199, 238, 278, 357, 398, 417, 597, 714, 834, 973, 1194, 1393, 1946, 2363, 2786, 2919, 3383, 4179, 4726, 5838, 6766, 7089, 8358, 10149, 14178, 16541, 20298, 23681, 27661, 33082, 47362, 49623, 55322, 71043, 82983, 99246, 142086, 165966, 193627, 387254, 470237, 580881, 940474, 1161762, 1410711, 2821422, 3291659, 6583318, 9874977, 19749954]

約数ペア:

[(1, 19749954), (2, 9874977), (3, 6583318), (6, 3291659), (7, 2821422), (14, 1410711), (17, 1161762), (21, 940474), (34, 580881), (42, 470237), (51, 387254), (102, 193627), (119, 165966), (139, 142086), (199, 99246), (238, 82983), (278, 71043), (357, 55322), (398, 49623), (417, 47362), (597, 33082), (714, 27661), (834, 23681), (973, 20298), (1194, 16541), (1393, 14178), (1946, 10149), (2363, 8358), (2786, 7089), (2919, 6766), (3383, 5838), (4179, 4726)]