19940172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10321}}^1$

素因数の和:10358

約数の個数: 48

約数和(自身を含む): 55491072

約数和(自身を除く): 35550900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 10321, 20642, 30963, 41284, 61926, 72247, 123852, 144494, 216741, 237383, 288988, 433482, 474766, 712149, 866964, 949532, 1424298, 1661681, 2848596, 3323362, 4985043, 6646724, 9970086, 19940172]

約数ペア:

[(1, 19940172), (2, 9970086), (3, 6646724), (4, 4985043), (6, 3323362), (7, 2848596), (12, 1661681), (14, 1424298), (21, 949532), (23, 866964), (28, 712149), (42, 474766), (46, 433482), (69, 288988), (84, 237383), (92, 216741), (138, 144494), (161, 123852), (276, 72247), (322, 61926), (483, 41284), (644, 30963), (966, 20642), (1932, 10321)]