18702984388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1\times {\mathrm{5197}}^1$

素因数の和:6220

約数の個数: 48

約数和(自身を含む): 36153129600

約数和(自身を除く): 17450145212

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 919, 979, 1838, 1958, 3676, 3916, 5197, 10109, 10394, 20218, 20788, 40436, 57167, 81791, 114334, 163582, 228668, 327164, 462533, 899701, 925066, 1799402, 1850132, 3598804, 4776043, 5087863, 9552086, 10175726, 19104172, 20351452, 52536473, 105072946, 210145892, 425067827, 850135654, 1700271308, 4675746097, 9351492194, 18702984388]

約数ペア:

[(1, 18702984388), (2, 9351492194), (4, 4675746097), (11, 1700271308), (22, 850135654), (44, 425067827), (89, 210145892), (178, 105072946), (356, 52536473), (919, 20351452), (979, 19104172), (1838, 10175726), (1958, 9552086), (3676, 5087863), (3916, 4776043), (5197, 3598804), (10109, 1850132), (10394, 1799402), (20218, 925066), (20788, 899701), (40436, 462533), (57167, 327164), (81791, 228668), (114334, 163582)]