19711156700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{95177}}^1$

素因数の和:95319

約数の個数: 72

約数和(自身を含む): 45437977200

約数和(自身を除く): 25726820500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 380, 436, 475, 545, 950, 1090, 1900, 2071, 2180, 2725, 4142, 5450, 8284, 10355, 10900, 20710, 41420, 51775, 95177, 103550, 190354, 207100, 380708, 475885, 951770, 1808363, 1903540, 2379425, 3616726, 4758850, 7233452, 9041815, 9517700, 10374293, 18083630, 20748586, 36167260, 41497172, 45209075, 51871465, 90418150, 103742930, 180836300, 197111567, 207485860, 259357325, 394223134, 518714650, 788446268, 985557835, 1037429300, 1971115670, 3942231340, 4927789175, 9855578350, 19711156700]

約数ペア:

[(1, 19711156700), (2, 9855578350), (4, 4927789175), (5, 3942231340), (10, 1971115670), (19, 1037429300), (20, 985557835), (25, 788446268), (38, 518714650), (50, 394223134), (76, 259357325), (95, 207485860), (100, 197111567), (109, 180836300), (190, 103742930), (218, 90418150), (380, 51871465), (436, 45209075), (475, 41497172), (545, 36167260), (950, 20748586), (1090, 18083630), (1900, 10374293), (2071, 9517700), (2180, 9041815), (2725, 7233452), (4142, 4758850), (5450, 3616726), (8284, 2379425), (10355, 1903540), (10900, 1808363), (20710, 951770), (41420, 475885), (51775, 380708), (95177, 207100), (103550, 190354)]