19871878688

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{797171}}^1$

素因数の和:797241

約数の個数: 48

約数和(自身を含む): 42186342240

約数和(自身を除く): 22314463552

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 608, 656, 779, 1312, 1558, 3116, 6232, 12464, 24928, 797171, 1594342, 3188684, 6377368, 12754736, 15146249, 25509472, 30292498, 32684011, 60584996, 65368022, 121169992, 130736044, 242339984, 261472088, 484679968, 522944176, 620996209, 1045888352, 1241992418, 2483984836, 4967969672, 9935939344, 19871878688]

約数ペア:

[(1, 19871878688), (2, 9935939344), (4, 4967969672), (8, 2483984836), (16, 1241992418), (19, 1045888352), (32, 620996209), (38, 522944176), (41, 484679968), (76, 261472088), (82, 242339984), (152, 130736044), (164, 121169992), (304, 65368022), (328, 60584996), (608, 32684011), (656, 30292498), (779, 25509472), (1312, 15146249), (1558, 12754736), (3116, 6377368), (6232, 3188684), (12464, 1594342), (24928, 797171)]