19366991973

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{114749}}^1$

素因数の和:114831

約数の個数: 64

約数和(自身を含む): 35251200000

約数和(自身を除く): 15884208027

約数列:

[1, 3, 7, 9, 19, 21, 27, 47, 57, 63, 133, 141, 171, 189, 329, 399, 423, 513, 893, 987, 1197, 1269, 2679, 2961, 3591, 6251, 8037, 8883, 18753, 24111, 56259, 114749, 168777, 344247, 803243, 1032741, 2180231, 2409729, 3098223, 5393203, 6540693, 7229187, 15261617, 16179609, 19622079, 21687561, 37752421, 45784851, 48538827, 58866237, 102470857, 113257263, 137354553, 145616481, 307412571, 339771789, 412063659, 717295999, 922237713, 1019315367, 2151887997, 2766713139, 6455663991, 19366991973]

約数ペア:

[(1, 19366991973), (3, 6455663991), (7, 2766713139), (9, 2151887997), (19, 1019315367), (21, 922237713), (27, 717295999), (47, 412063659), (57, 339771789), (63, 307412571), (133, 145616481), (141, 137354553), (171, 113257263), (189, 102470857), (329, 58866237), (399, 48538827), (423, 45784851), (513, 37752421), (893, 21687561), (987, 19622079), (1197, 16179609), (1269, 15261617), (2679, 7229187), (2961, 6540693), (3591, 5393203), (6251, 3098223), (8037, 2409729), (8883, 2180231), (18753, 1032741), (24111, 803243), (56259, 344247), (114749, 168777)]