19700415

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{6949}}^1$

素因数の和:6973

約数の個数: 40

約数和(自身を含む): 40365600

約数和(自身を除く): 20665185

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 6949, 20847, 34745, 48643, 62541, 104235, 145929, 187623, 243215, 312705, 437787, 562869, 729645, 938115, 1313361, 2188935, 2814345, 3940083, 6566805, 19700415]

約数ペア:

[(1, 19700415), (3, 6566805), (5, 3940083), (7, 2814345), (9, 2188935), (15, 1313361), (21, 938115), (27, 729645), (35, 562869), (45, 437787), (63, 312705), (81, 243215), (105, 187623), (135, 145929), (189, 104235), (315, 62541), (405, 48643), (567, 34745), (945, 20847), (2835, 6949)]