18989520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7193}}^1$

素因数の和:7220

約数の個数: 80

約数和(自身を含む): 64228032

約数和(自身を除く): 45238512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7193, 14386, 21579, 28772, 35965, 43158, 57544, 71930, 79123, 86316, 107895, 115088, 143860, 158246, 172632, 215790, 237369, 287720, 316492, 345264, 395615, 431580, 474738, 575440, 632984, 791230, 863160, 949476, 1186845, 1265968, 1582460, 1726320, 1898952, 2373690, 3164920, 3797904, 4747380, 6329840, 9494760, 18989520]

約数ペア:

[(1, 18989520), (2, 9494760), (3, 6329840), (4, 4747380), (5, 3797904), (6, 3164920), (8, 2373690), (10, 1898952), (11, 1726320), (12, 1582460), (15, 1265968), (16, 1186845), (20, 949476), (22, 863160), (24, 791230), (30, 632984), (33, 575440), (40, 474738), (44, 431580), (48, 395615), (55, 345264), (60, 316492), (66, 287720), (80, 237369), (88, 215790), (110, 172632), (120, 158246), (132, 143860), (165, 115088), (176, 107895), (220, 86316), (240, 79123), (264, 71930), (330, 57544), (440, 43158), (528, 35965), (660, 28772), (880, 21579), (1320, 14386), (2640, 7193)]