18877946

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 30632448

約数和(自身を除く): 11754502

約数列:

[1, 2, 31, 43, 62, 73, 86, 97, 146, 194, 1333, 2263, 2666, 3007, 3139, 4171, 4526, 6014, 6278, 7081, 8342, 14162, 97309, 129301, 194618, 219511, 258602, 304483, 439022, 608966, 9438973, 18877946]

約数ペア:

[(1, 18877946), (2, 9438973), (31, 608966), (43, 439022), (62, 304483), (73, 258602), (86, 219511), (97, 194618), (146, 129301), (194, 97309), (1333, 14162), (2263, 8342), (2666, 7081), (3007, 6278), (3139, 6014), (4171, 4526)]