19871532

素因数分解:

$2^2\times 3^2\times {\mathrm{557}}^1\times {\mathrm{991}}^1$

素因数の和:1558

約数の個数: 36

約数和(自身を含む): 50371776

約数和(自身を除く): 30500244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 557, 991, 1114, 1671, 1982, 2228, 2973, 3342, 3964, 5013, 5946, 6684, 8919, 10026, 11892, 17838, 20052, 35676, 551987, 1103974, 1655961, 2207948, 3311922, 4967883, 6623844, 9935766, 19871532]

約数ペア:

[(1, 19871532), (2, 9935766), (3, 6623844), (4, 4967883), (6, 3311922), (9, 2207948), (12, 1655961), (18, 1103974), (36, 551987), (557, 35676), (991, 20052), (1114, 17838), (1671, 11892), (1982, 10026), (2228, 8919), (2973, 6684), (3342, 5946), (3964, 5013)]