19808360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3463}}^1$

素因数の和:3498

約数の個数: 64

約数和(自身を含む): 52375680

約数和(自身を除く): 32567320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3463, 5720, 6926, 13852, 17315, 27704, 34630, 38093, 45019, 69260, 76186, 90038, 138520, 152372, 180076, 190465, 225095, 304744, 360152, 380930, 450190, 495209, 761860, 900380, 990418, 1523720, 1800760, 1980836, 2476045, 3961672, 4952090, 9904180, 19808360]

約数ペア:

[(1, 19808360), (2, 9904180), (4, 4952090), (5, 3961672), (8, 2476045), (10, 1980836), (11, 1800760), (13, 1523720), (20, 990418), (22, 900380), (26, 761860), (40, 495209), (44, 450190), (52, 380930), (55, 360152), (65, 304744), (88, 225095), (104, 190465), (110, 180076), (130, 152372), (143, 138520), (220, 90038), (260, 76186), (286, 69260), (440, 45019), (520, 38093), (572, 34630), (715, 27704), (1144, 17315), (1430, 13852), (2860, 6926), (3463, 5720)]