187859538

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 72

約数和(自身を含む): 431771340

約数和(自身を除く): 243911802

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 109, 138, 181, 207, 218, 327, 362, 414, 529, 543, 654, 981, 1058, 1086, 1587, 1629, 1962, 2507, 3174, 3258, 4163, 4761, 5014, 7521, 8326, 9522, 12489, 15042, 19729, 22563, 24978, 37467, 39458, 45126, 57661, 59187, 74934, 95749, 115322, 118374, 172983, 177561, 191498, 287247, 345966, 355122, 453767, 518949, 574494, 861741, 907534, 1037898, 1361301, 1723482, 2722602, 4083903, 8167806, 10436641, 20873282, 31309923, 62619846, 93929769, 187859538]

約数ペア:

[(1, 187859538), (2, 93929769), (3, 62619846), (6, 31309923), (9, 20873282), (18, 10436641), (23, 8167806), (46, 4083903), (69, 2722602), (109, 1723482), (138, 1361301), (181, 1037898), (207, 907534), (218, 861741), (327, 574494), (362, 518949), (414, 453767), (529, 355122), (543, 345966), (654, 287247), (981, 191498), (1058, 177561), (1086, 172983), (1587, 118374), (1629, 115322), (1962, 95749), (2507, 74934), (3174, 59187), (3258, 57661), (4163, 45126), (4761, 39458), (5014, 37467), (7521, 24978), (8326, 22563), (9522, 19729), (12489, 15042)]