1949774015

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 2921318400

約数和(自身を除く): 971544385

約数列:

[1, 5, 7, 19, 35, 37, 95, 109, 133, 185, 259, 545, 665, 703, 727, 763, 1295, 2071, 3515, 3635, 3815, 4033, 4921, 5089, 10355, 13813, 14497, 20165, 24605, 25445, 26899, 28231, 69065, 72485, 76627, 79243, 96691, 134495, 141155, 188293, 383135, 396215, 483455, 511081, 536389, 554701, 941465, 1505617, 2555405, 2681945, 2773505, 2931991, 3577567, 7528085, 10539319, 14659955, 17887835, 20523937, 52696595, 55707829, 102619685, 278539145, 389954803, 1949774015]

約数ペア:

[(1, 1949774015), (5, 389954803), (7, 278539145), (19, 102619685), (35, 55707829), (37, 52696595), (95, 20523937), (109, 17887835), (133, 14659955), (185, 10539319), (259, 7528085), (545, 3577567), (665, 2931991), (703, 2773505), (727, 2681945), (763, 2555405), (1295, 1505617), (2071, 941465), (3515, 554701), (3635, 536389), (3815, 511081), (4033, 483455), (4921, 396215), (5089, 383135), (10355, 188293), (13813, 141155), (14497, 134495), (20165, 96691), (24605, 79243), (25445, 76627), (26899, 72485), (28231, 69065)]