18420228

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{13829}}^1$

素因数の和:13876

約数の個数: 36

約数和(自身を含む): 47824140

約数和(自身を除く): 29403912

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 13829, 27658, 41487, 55316, 82974, 124461, 165948, 248922, 497844, 511673, 1023346, 1535019, 2046692, 3070038, 4605057, 6140076, 9210114, 18420228]

約数ペア:

[(1, 18420228), (2, 9210114), (3, 6140076), (4, 4605057), (6, 3070038), (9, 2046692), (12, 1535019), (18, 1023346), (36, 511673), (37, 497844), (74, 248922), (111, 165948), (148, 124461), (222, 82974), (333, 55316), (444, 41487), (666, 27658), (1332, 13829)]