19798488

素因数分解:

$2^3\times 3^2\times {\mathrm{83}}^1\times {\mathrm{3313}}^1$

素因数の和:3408

約数の個数: 48

約数和(自身を含む): 54283320

約数和(自身を除く): 34484832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 83, 166, 249, 332, 498, 664, 747, 996, 1494, 1992, 2988, 3313, 5976, 6626, 9939, 13252, 19878, 26504, 29817, 39756, 59634, 79512, 119268, 238536, 274979, 549958, 824937, 1099916, 1649874, 2199832, 2474811, 3299748, 4949622, 6599496, 9899244, 19798488]

約数ペア:

[(1, 19798488), (2, 9899244), (3, 6599496), (4, 4949622), (6, 3299748), (8, 2474811), (9, 2199832), (12, 1649874), (18, 1099916), (24, 824937), (36, 549958), (72, 274979), (83, 238536), (166, 119268), (249, 79512), (332, 59634), (498, 39756), (664, 29817), (747, 26504), (996, 19878), (1494, 13252), (1992, 9939), (2988, 6626), (3313, 5976)]