19973160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:635

約数の個数: 96

約数和(自身を含む): 65637000

約数和(自身を除く): 45663840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 509, 545, 654, 872, 981, 1018, 1090, 1308, 1527, 1635, 1962, 2036, 2180, 2545, 2616, 3054, 3270, 3924, 4072, 4360, 4581, 4905, 5090, 6108, 6540, 7635, 7848, 9162, 9810, 10180, 12216, 13080, 15270, 18324, 19620, 20360, 22905, 30540, 36648, 39240, 45810, 55481, 61080, 91620, 110962, 166443, 183240, 221924, 277405, 332886, 443848, 499329, 554810, 665772, 832215, 998658, 1109620, 1331544, 1664430, 1997316, 2219240, 2496645, 3328860, 3994632, 4993290, 6657720, 9986580, 19973160]

約数ペア:

[(1, 19973160), (2, 9986580), (3, 6657720), (4, 4993290), (5, 3994632), (6, 3328860), (8, 2496645), (9, 2219240), (10, 1997316), (12, 1664430), (15, 1331544), (18, 1109620), (20, 998658), (24, 832215), (30, 665772), (36, 554810), (40, 499329), (45, 443848), (60, 332886), (72, 277405), (90, 221924), (109, 183240), (120, 166443), (180, 110962), (218, 91620), (327, 61080), (360, 55481), (436, 45810), (509, 39240), (545, 36648), (654, 30540), (872, 22905), (981, 20360), (1018, 19620), (1090, 18324), (1308, 15270), (1527, 13080), (1635, 12216), (1962, 10180), (2036, 9810), (2180, 9162), (2545, 7848), (2616, 7635), (3054, 6540), (3270, 6108), (3924, 5090), (4072, 4905), (4360, 4581)]