19999332

素因数分解:

$2^2\times 3^3\times {\mathrm{281}}^1\times {\mathrm{659}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 52113600

約数和(自身を除く): 32114268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 281, 562, 659, 843, 1124, 1318, 1686, 1977, 2529, 2636, 3372, 3954, 5058, 5931, 7587, 7908, 10116, 11862, 15174, 17793, 23724, 30348, 35586, 71172, 185179, 370358, 555537, 740716, 1111074, 1666611, 2222148, 3333222, 4999833, 6666444, 9999666, 19999332]

約数ペア:

[(1, 19999332), (2, 9999666), (3, 6666444), (4, 4999833), (6, 3333222), (9, 2222148), (12, 1666611), (18, 1111074), (27, 740716), (36, 555537), (54, 370358), (108, 185179), (281, 71172), (562, 35586), (659, 30348), (843, 23724), (1124, 17793), (1318, 15174), (1686, 11862), (1977, 10116), (2529, 7908), (2636, 7587), (3372, 5931), (3954, 5058)]