19492340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 30149644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 53, 70, 71, 74, 106, 140, 142, 148, 185, 212, 259, 265, 284, 355, 370, 371, 497, 518, 530, 710, 740, 742, 994, 1036, 1060, 1295, 1420, 1484, 1855, 1961, 1988, 2485, 2590, 2627, 3710, 3763, 3922, 4970, 5180, 5254, 7420, 7526, 7844, 9805, 9940, 10508, 13135, 13727, 15052, 18389, 18815, 19610, 26270, 26341, 27454, 36778, 37630, 39220, 52540, 52682, 54908, 68635, 73556, 75260, 91945, 105364, 131705, 137270, 139231, 183890, 263410, 274540, 278462, 367780, 526820, 556924, 696155, 974617, 1392310, 1949234, 2784620, 3898468, 4873085, 9746170, 19492340]

約数ペア:

[(1, 19492340), (2, 9746170), (4, 4873085), (5, 3898468), (7, 2784620), (10, 1949234), (14, 1392310), (20, 974617), (28, 696155), (35, 556924), (37, 526820), (53, 367780), (70, 278462), (71, 274540), (74, 263410), (106, 183890), (140, 139231), (142, 137270), (148, 131705), (185, 105364), (212, 91945), (259, 75260), (265, 73556), (284, 68635), (355, 54908), (370, 52682), (371, 52540), (497, 39220), (518, 37630), (530, 36778), (710, 27454), (740, 26341), (742, 26270), (994, 19610), (1036, 18815), (1060, 18389), (1295, 15052), (1420, 13727), (1484, 13135), (1855, 10508), (1961, 9940), (1988, 9805), (2485, 7844), (2590, 7526), (2627, 7420), (3710, 5254), (3763, 5180), (3922, 4970)]