19117980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15173}}^1$

素因数の和:15195

約数の個数: 72

約数和(自身を含む): 66280032

約数和(自身を除く): 47162052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15173, 30346, 45519, 60692, 75865, 91038, 106211, 136557, 151730, 182076, 212422, 227595, 273114, 303460, 318633, 424844, 455190, 531055, 546228, 637266, 682785, 910380, 955899, 1062110, 1274532, 1365570, 1593165, 1911798, 2124220, 2731140, 3186330, 3823596, 4779495, 6372660, 9558990, 19117980]

約数ペア:

[(1, 19117980), (2, 9558990), (3, 6372660), (4, 4779495), (5, 3823596), (6, 3186330), (7, 2731140), (9, 2124220), (10, 1911798), (12, 1593165), (14, 1365570), (15, 1274532), (18, 1062110), (20, 955899), (21, 910380), (28, 682785), (30, 637266), (35, 546228), (36, 531055), (42, 455190), (45, 424844), (60, 318633), (63, 303460), (70, 273114), (84, 227595), (90, 212422), (105, 182076), (126, 151730), (140, 136557), (180, 106211), (210, 91038), (252, 75865), (315, 60692), (420, 45519), (630, 30346), (1260, 15173)]