18141380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 40687920

約数和(自身を除く): 22546540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 229, 233, 340, 458, 466, 916, 932, 1145, 1165, 2290, 2330, 3893, 3961, 4580, 4660, 7786, 7922, 15572, 15844, 19465, 19805, 38930, 39610, 53357, 77860, 79220, 106714, 213428, 266785, 533570, 907069, 1067140, 1814138, 3628276, 4535345, 9070690, 18141380]

約数ペア:

[(1, 18141380), (2, 9070690), (4, 4535345), (5, 3628276), (10, 1814138), (17, 1067140), (20, 907069), (34, 533570), (68, 266785), (85, 213428), (170, 106714), (229, 79220), (233, 77860), (340, 53357), (458, 39610), (466, 38930), (916, 19805), (932, 19465), (1145, 15844), (1165, 15572), (2290, 7922), (2330, 7786), (3893, 4660), (3961, 4580)]