18145890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9601}}^1$

素因数の和:9624

約数の個数: 64

約数和(自身を含む): 55307520

約数和(自身を除く): 37161630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9601, 19202, 28803, 48005, 57606, 67207, 86409, 96010, 134414, 144015, 172818, 201621, 259227, 288030, 336035, 403242, 432045, 518454, 604863, 672070, 864090, 1008105, 1209726, 1296135, 1814589, 2016210, 2592270, 3024315, 3629178, 6048630, 9072945, 18145890]

約数ペア:

[(1, 18145890), (2, 9072945), (3, 6048630), (5, 3629178), (6, 3024315), (7, 2592270), (9, 2016210), (10, 1814589), (14, 1296135), (15, 1209726), (18, 1008105), (21, 864090), (27, 672070), (30, 604863), (35, 518454), (42, 432045), (45, 403242), (54, 336035), (63, 288030), (70, 259227), (90, 201621), (105, 172818), (126, 144015), (135, 134414), (189, 96010), (210, 86409), (270, 67207), (315, 57606), (378, 48005), (630, 28803), (945, 19202), (1890, 9601)]