19956690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 57513456

約数和(自身を除く): 37556766

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 37, 39, 45, 65, 74, 78, 90, 111, 117, 130, 185, 195, 222, 234, 333, 370, 390, 461, 481, 555, 585, 666, 922, 962, 1110, 1170, 1383, 1443, 1665, 2305, 2405, 2766, 2886, 3330, 4149, 4329, 4610, 4810, 5993, 6915, 7215, 8298, 8658, 11986, 13830, 14430, 17057, 17979, 20745, 21645, 29965, 34114, 35958, 41490, 43290, 51171, 53937, 59930, 85285, 89895, 102342, 107874, 153513, 170570, 179790, 221741, 255855, 269685, 307026, 443482, 511710, 539370, 665223, 767565, 1108705, 1330446, 1535130, 1995669, 2217410, 3326115, 3991338, 6652230, 9978345, 19956690]

約数ペア:

[(1, 19956690), (2, 9978345), (3, 6652230), (5, 3991338), (6, 3326115), (9, 2217410), (10, 1995669), (13, 1535130), (15, 1330446), (18, 1108705), (26, 767565), (30, 665223), (37, 539370), (39, 511710), (45, 443482), (65, 307026), (74, 269685), (78, 255855), (90, 221741), (111, 179790), (117, 170570), (130, 153513), (185, 107874), (195, 102342), (222, 89895), (234, 85285), (333, 59930), (370, 53937), (390, 51171), (461, 43290), (481, 41490), (555, 35958), (585, 34114), (666, 29965), (922, 21645), (962, 20745), (1110, 17979), (1170, 17057), (1383, 14430), (1443, 13830), (1665, 11986), (2305, 8658), (2405, 8298), (2766, 7215), (2886, 6915), (3330, 5993), (4149, 4810), (4329, 4610)]