12202180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 27276480

約数和(自身を除く): 15074300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 197, 326, 380, 394, 652, 788, 815, 985, 1630, 1970, 3097, 3260, 3743, 3940, 6194, 7486, 12388, 14972, 15485, 18715, 30970, 32111, 37430, 61940, 64222, 74860, 128444, 160555, 321110, 610109, 642220, 1220218, 2440436, 3050545, 6101090, 12202180]

約数ペア:

[(1, 12202180), (2, 6101090), (4, 3050545), (5, 2440436), (10, 1220218), (19, 642220), (20, 610109), (38, 321110), (76, 160555), (95, 128444), (163, 74860), (190, 64222), (197, 61940), (326, 37430), (380, 32111), (394, 30970), (652, 18715), (788, 15485), (815, 14972), (985, 12388), (1630, 7486), (1970, 6194), (3097, 3940), (3260, 3743)]