19691748

素因数分解:

$2^2\times 3^7\times {\mathrm{2251}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 51705920

約数和(自身を除く): 32014172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2251, 2916, 4374, 4502, 6753, 8748, 9004, 13506, 20259, 27012, 40518, 60777, 81036, 121554, 182331, 243108, 364662, 546993, 729324, 1093986, 1640979, 2187972, 3281958, 4922937, 6563916, 9845874, 19691748]

約数ペア:

[(1, 19691748), (2, 9845874), (3, 6563916), (4, 4922937), (6, 3281958), (9, 2187972), (12, 1640979), (18, 1093986), (27, 729324), (36, 546993), (54, 364662), (81, 243108), (108, 182331), (162, 121554), (243, 81036), (324, 60777), (486, 40518), (729, 27012), (972, 20259), (1458, 13506), (2187, 9004), (2251, 8748), (2916, 6753), (4374, 4502)]