18131688

素因数分解:

$2^3\times 3^6\times {\mathrm{3109}}^1$

素因数の和:3133

約数の個数: 56

約数和(自身を含む): 50988450

約数和(自身を除く): 32856762

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 3109, 5832, 6218, 9327, 12436, 18654, 24872, 27981, 37308, 55962, 74616, 83943, 111924, 167886, 223848, 251829, 335772, 503658, 671544, 755487, 1007316, 1510974, 2014632, 2266461, 3021948, 4532922, 6043896, 9065844, 18131688]

約数ペア:

[(1, 18131688), (2, 9065844), (3, 6043896), (4, 4532922), (6, 3021948), (8, 2266461), (9, 2014632), (12, 1510974), (18, 1007316), (24, 755487), (27, 671544), (36, 503658), (54, 335772), (72, 251829), (81, 223848), (108, 167886), (162, 111924), (216, 83943), (243, 74616), (324, 55962), (486, 37308), (648, 27981), (729, 24872), (972, 18654), (1458, 12436), (1944, 9327), (2916, 6218), (3109, 5832)]