18219819038

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{587}}^1$

素因数の和:993

約数の個数: 64

約数和(自身を含む): 29818091520

約数和(自身を除く): 11598272482

約数列:

[1, 2, 29, 31, 58, 61, 62, 122, 283, 566, 587, 899, 1174, 1769, 1798, 1891, 3538, 3782, 8207, 8773, 16414, 17023, 17263, 17546, 18197, 34046, 34526, 35807, 36394, 54839, 71614, 109678, 166121, 254417, 332242, 500627, 508834, 527713, 535153, 1001254, 1038403, 1055426, 1070306, 1110017, 2076806, 2220034, 4817509, 5149751, 9635018, 10133381, 10299502, 15519437, 20266762, 31038874, 32190493, 64380986, 149342779, 293868049, 298685558, 314134811, 587736098, 628269622, 9109909519, 18219819038]

約数ペア:

[(1, 18219819038), (2, 9109909519), (29, 628269622), (31, 587736098), (58, 314134811), (61, 298685558), (62, 293868049), (122, 149342779), (283, 64380986), (566, 32190493), (587, 31038874), (899, 20266762), (1174, 15519437), (1769, 10299502), (1798, 10133381), (1891, 9635018), (3538, 5149751), (3782, 4817509), (8207, 2220034), (8773, 2076806), (16414, 1110017), (17023, 1070306), (17263, 1055426), (17546, 1038403), (18197, 1001254), (34046, 535153), (34526, 527713), (35807, 508834), (36394, 500627), (54839, 332242), (71614, 254417), (109678, 166121)]