19645890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1667

約数の個数: 64

約数和(自身を含む): 52859520

約数和(自身を除く): 33213630

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 1609, 2035, 2442, 3218, 4070, 4827, 6105, 8045, 9654, 12210, 16090, 17699, 24135, 35398, 48270, 53097, 59533, 88495, 106194, 119066, 176990, 178599, 265485, 297665, 357198, 530970, 595330, 654863, 892995, 1309726, 1785990, 1964589, 3274315, 3929178, 6548630, 9822945, 19645890]

約数ペア:

[(1, 19645890), (2, 9822945), (3, 6548630), (5, 3929178), (6, 3274315), (10, 1964589), (11, 1785990), (15, 1309726), (22, 892995), (30, 654863), (33, 595330), (37, 530970), (55, 357198), (66, 297665), (74, 265485), (110, 178599), (111, 176990), (165, 119066), (185, 106194), (222, 88495), (330, 59533), (370, 53097), (407, 48270), (555, 35398), (814, 24135), (1110, 17699), (1221, 16090), (1609, 12210), (2035, 9654), (2442, 8045), (3218, 6105), (4070, 4827)]