19937274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20639}}^1$

素因数の和:20674

約数の個数: 32

約数和(自身を含む): 47554560

約数和(自身を除く): 27617286

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 20639, 41278, 61917, 123834, 144473, 288946, 433419, 474697, 866838, 949394, 1424091, 2848182, 3322879, 6645758, 9968637, 19937274]

約数ペア:

[(1, 19937274), (2, 9968637), (3, 6645758), (6, 3322879), (7, 2848182), (14, 1424091), (21, 949394), (23, 866838), (42, 474697), (46, 433419), (69, 288946), (138, 144473), (161, 123834), (322, 61917), (483, 41278), (966, 20639)]