19843560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5011}}^1$

素因数の和:5039

約数の個数: 96

約数和(自身を含む): 70368480

約数和(自身を除く): 50524920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5011, 10022, 15033, 20044, 25055, 30066, 40088, 45099, 50110, 55121, 60132, 75165, 90198, 100220, 110242, 120264, 150330, 165363, 180396, 200440, 220484, 225495, 275605, 300660, 330726, 360792, 440968, 450990, 496089, 551210, 601320, 661452, 826815, 901980, 992178, 1102420, 1322904, 1653630, 1803960, 1984356, 2204840, 2480445, 3307260, 3968712, 4960890, 6614520, 9921780, 19843560]

約数ペア:

[(1, 19843560), (2, 9921780), (3, 6614520), (4, 4960890), (5, 3968712), (6, 3307260), (8, 2480445), (9, 2204840), (10, 1984356), (11, 1803960), (12, 1653630), (15, 1322904), (18, 1102420), (20, 992178), (22, 901980), (24, 826815), (30, 661452), (33, 601320), (36, 551210), (40, 496089), (44, 450990), (45, 440968), (55, 360792), (60, 330726), (66, 300660), (72, 275605), (88, 225495), (90, 220484), (99, 200440), (110, 180396), (120, 165363), (132, 150330), (165, 120264), (180, 110242), (198, 100220), (220, 90198), (264, 75165), (330, 60132), (360, 55121), (396, 50110), (440, 45099), (495, 40088), (660, 30066), (792, 25055), (990, 20044), (1320, 15033), (1980, 10022), (3960, 5011)]