19997010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6733}}^1$

素因数の和:6760

約数の個数: 64

約数和(自身を含む): 58181760

約数和(自身を除く): 38184750

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 6733, 13466, 20199, 33665, 40398, 60597, 67330, 74063, 100995, 121194, 148126, 181791, 201990, 222189, 302985, 363582, 370315, 444378, 605970, 666567, 740630, 908955, 1110945, 1333134, 1817910, 1999701, 2221890, 3332835, 3999402, 6665670, 9998505, 19997010]

約数ペア:

[(1, 19997010), (2, 9998505), (3, 6665670), (5, 3999402), (6, 3332835), (9, 2221890), (10, 1999701), (11, 1817910), (15, 1333134), (18, 1110945), (22, 908955), (27, 740630), (30, 666567), (33, 605970), (45, 444378), (54, 370315), (55, 363582), (66, 302985), (90, 222189), (99, 201990), (110, 181791), (135, 148126), (165, 121194), (198, 100995), (270, 74063), (297, 67330), (330, 60597), (495, 40398), (594, 33665), (990, 20199), (1485, 13466), (2970, 6733)]