19711320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{593}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 59447520

約数和(自身を除く): 39736200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 593, 831, 1108, 1186, 1385, 1662, 1779, 2216, 2372, 2770, 2965, 3324, 3558, 4155, 4744, 5540, 5930, 6648, 7116, 8310, 8895, 11080, 11860, 14232, 16620, 17790, 23720, 33240, 35580, 71160, 164261, 328522, 492783, 657044, 821305, 985566, 1314088, 1642610, 1971132, 2463915, 3285220, 3942264, 4927830, 6570440, 9855660, 19711320]

約数ペア:

[(1, 19711320), (2, 9855660), (3, 6570440), (4, 4927830), (5, 3942264), (6, 3285220), (8, 2463915), (10, 1971132), (12, 1642610), (15, 1314088), (20, 985566), (24, 821305), (30, 657044), (40, 492783), (60, 328522), (120, 164261), (277, 71160), (554, 35580), (593, 33240), (831, 23720), (1108, 17790), (1186, 16620), (1385, 14232), (1662, 11860), (1779, 11080), (2216, 8895), (2372, 8310), (2770, 7116), (2965, 6648), (3324, 5930), (3558, 5540), (4155, 4744)]