18993204

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 90

約数和(自身を含む): 52146402

約数和(自身を除く): 33153198

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 61, 62, 81, 93, 108, 122, 124, 162, 183, 186, 244, 279, 324, 366, 372, 549, 558, 732, 837, 961, 1098, 1116, 1647, 1674, 1891, 1922, 2196, 2511, 2883, 3294, 3348, 3782, 3844, 4941, 5022, 5673, 5766, 6588, 7564, 8649, 9882, 10044, 11346, 11532, 17019, 17298, 19764, 22692, 25947, 34038, 34596, 51057, 51894, 58621, 68076, 77841, 102114, 103788, 117242, 153171, 155682, 175863, 204228, 234484, 306342, 311364, 351726, 527589, 612684, 703452, 1055178, 1582767, 2110356, 3165534, 4748301, 6331068, 9496602, 18993204]

約数ペア:

[(1, 18993204), (2, 9496602), (3, 6331068), (4, 4748301), (6, 3165534), (9, 2110356), (12, 1582767), (18, 1055178), (27, 703452), (31, 612684), (36, 527589), (54, 351726), (61, 311364), (62, 306342), (81, 234484), (93, 204228), (108, 175863), (122, 155682), (124, 153171), (162, 117242), (183, 103788), (186, 102114), (244, 77841), (279, 68076), (324, 58621), (366, 51894), (372, 51057), (549, 34596), (558, 34038), (732, 25947), (837, 22692), (961, 19764), (1098, 17298), (1116, 17019), (1647, 11532), (1674, 11346), (1891, 10044), (1922, 9882), (2196, 8649), (2511, 7564), (2883, 6588), (3294, 5766), (3348, 5673), (3782, 5022), (3844, 4941)]