18964692

素因数分解:

$2^2\times 3^5\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 50450400

約数和(自身を除く): 31485708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 179, 218, 243, 324, 327, 358, 436, 486, 537, 654, 716, 972, 981, 1074, 1308, 1611, 1962, 2148, 2943, 3222, 3924, 4833, 5886, 6444, 8829, 9666, 11772, 14499, 17658, 19332, 19511, 26487, 28998, 35316, 39022, 43497, 52974, 57996, 58533, 78044, 86994, 105948, 117066, 173988, 175599, 234132, 351198, 526797, 702396, 1053594, 1580391, 2107188, 3160782, 4741173, 6321564, 9482346, 18964692]

約数ペア:

[(1, 18964692), (2, 9482346), (3, 6321564), (4, 4741173), (6, 3160782), (9, 2107188), (12, 1580391), (18, 1053594), (27, 702396), (36, 526797), (54, 351198), (81, 234132), (108, 175599), (109, 173988), (162, 117066), (179, 105948), (218, 86994), (243, 78044), (324, 58533), (327, 57996), (358, 52974), (436, 43497), (486, 39022), (537, 35316), (654, 28998), (716, 26487), (972, 19511), (981, 19332), (1074, 17658), (1308, 14499), (1611, 11772), (1962, 9666), (2148, 8829), (2943, 6444), (3222, 5886), (3924, 4833)]